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Trả L
The air in the country is often cleaner than that in the city
---> The air in the city is often dirtier than that in the city
Hok tốt
the air in the city is often dirtier than that in the country . câu này dễ mà :<<

1 the cleanest
2 the most expensive
3 difficult
Chúc bạn học tốt !
nhanh len giup minh di cac ban oi sap den mon anh cua minh giup

:v Nhiều vậy :
Bài 1: Đặt câu hỏi cho phần gạch dưới (phần in đậm là chỗ gạch dưới nha)
1.The Mekong River is the longest river in Vietnam.
=> What is the longest river in Viet Nam ?
2.We have a lot of beautiful flowers.
=> How many beautiful flowers are there do we have ?
3. She is going to stay at home tomorrow.
=> What is she going to do tomorrow ?
Bài 2:Sửa lỗi trong các câu sau
1. Her hair is short than my hair. => shorter
2. We have lot of beaytiful beaches. => beautiful
3.I'm from China.I'm China. => Chinese
4.Which is the bigger city is the world. => biggest
5.What do you do tomorrow? are you going to do
Bài 3:Chọn những từ hoặc cụm từ không chính xác và sửa lại cho chính xác (phần in đậm là những từ không đúng nha)
1. The Great Wall of China is the world's longer structure. => in
2.How length are you going to stay? => long
3.Vietnam has lots of rain,because it has big forests. => so
4. No students in the class are better Phong. => is
5.It is very coldest in the winter. => cold
Ex 1: 1. What is the longest river in Viet Nam?
2. How many beautiful flowers do you have?
3. What is she going to do tomorrow?
Ex 2: 1. Short-> shorter
2. Lot-> lots/ beaytiful->beautiful
3. I'm from China. I'm Chinese.
4. Bigger->biggest
5. What are you going to do tomorrow?

1 this hotel is the most cleanest in my neighbourhood 2 The White car is cheaper than black car 3 that exercise is more difficult than this exercise 4 your kitchen is bigger than my kitchen
Rewrite the sentences so that they have the same meaning as the ones given
1No one in my neighborhood is cleaner than this hotel 'This hotel is ............the cleanest in my neighborhood.........
2The Black car is more expensive than the White car 'The White car is........cheaper than the black one..................
3This exercise is easier than that one 'That exercise is more...........difficult than this one.....................
4My kitchen is smaller than yours 'Your kitchen.............is bigger than mine..............
5We mustn't drive to the right in London(Complete the sentence) '.................................................
6There are not many tall buildings in my neighborhood(Complete the sentence) '.................................
7Students must keep their school clean and beautiful(Complete the sentence) '.........................................
8Who is the strongest in your family? (Complete the sentence) '..................................................
9Remember to do your homework 'You must........do your homework ..................

2. what does your sister every afternoon play ?
mk nghĩ thế và mk cx chỉ lm dc1 câu thôi
hihi... nếu câu này đúng
mn k đúng mk nhé
II. Trong mỗi câu sau có 1 lỗi sai. Tìm và sửa lại cho đúng.
1. The fall is cool than the summer.
=> Sai ->______cool_____________. Sửa-> _______cooler_____________________
2. How many homework does Ba have every day ? He has a lot of homework. ( homework không đếm được )
=> Sai ->_____many ________.Sửa.......much........
3. A lot of my friends play tennis but not much of them play soccer.
=> Sai->........much................. . Sửa->...........many....................
4. My friend sometimes go sailling in the fall.
=> Sai->...............go.............. . Sửa->...............goes......................

1- My school / big / your school.
My school is bigger than your school
2- Lan / young / Hoa.
-> Lan is younger than Hoa
3- My father / old / my mother.
My father is older than my mother
4- This ruler / long / that ruler.
This ruler is longer than that ruler
5- This room / large / my room.
This room is larger than my room
6- The boys / strong / the girls.
The boys are stronger than the girls
7- My house / tall / your house.
My house is taller than your house
8- Nam / short / his sister.
Nam is shorter than his sister
CHO DẠNG ĐÚNG CỦA TÍNH TỪ
1- Rivers are (big)……bigger…… than lakes.
2- The Mekong river is (long)………longer………….. than the Red river.
3- Everest is the (high)…………highest…………. mountain in the world.
4- Hoa is the (short) …………shortest…………girl in our class.
5- My mother is (old) …………older………….than my teacher.
6- The Amazon River is the (deep)………deepest……… river in the world
7- The Summer is the (hot)……………hottest…………. season in a year.
8- Nga and Lan are (short)………shorter…………….. than Minh.
9- My mother is (young)………younger…………… than my father.
10- Ha Noi is (small)………smaller………….than Ho Chi Minh city.
11- This boy is (tall)………………taller………..than that boy.
12- A dictionary is (thick)…………thicker…………….. than a notebook.
13- The Great Wall is the (long) ……longest……….structure in the world
14-Buildings are (high)…………higher………….. than houses.
15- Lan is the (happy)…………happiest……………. student in my class.
16- Our parents are the (good)…………best…………….. people.
17- This girl is the (thin)……………thinnest…………… in her class.
18- The winter is the (cold)………coldest…………. season in a year.
VIẾT LẠI CÂU
1- Lan is taller than Hoa. -> Hoa is shorter than Lan
2- I am bigger than my sister. -> My sister is smaller than me
3- Jane cooks better than me. -> I cook worse than Jane
4- My mom is younger than my dad. -> My dad is older than my mom
5- Nam is thinner than Minh. -> Minh is fatter than Nam
6- My father is heavier than me. -> I am weaker than my father
7- That tree is higher than this tree. -> This tree is shorter than that tree
8- My shirt is older than your shirt. -> Your shirt is newer than my shirt
.Viết lại những tính từ trong ngoặc đơn cho đúng.
1. My sister is …………more good looking……….. (good- looking) than I am.
3. Nina walks ………slower……… (slowly) than her father.
2. A book is ………more wonderful……………. (wonderful) than a comic.
4. She is ……happier…….. (happy) than I am.
5. This bike is……cheaper……….. (cheap) than mine.
6. This house is much …………more comfortable………… (comfortable) than that one.
7. A dog is ………heavier………….. ( heavy) than a cat.
8. My pencil is……longer……. ( long) than yours.
9. New teacher is ………nicer……… ( nice) than old one.
10. Ho Chi Minh is………larger………. ( large) than Bien Hoa.
II. Chọn đáp án đúng.
1. This exam was easier/more easy than old one.
A B
2. Vung Tau is boreder/more bored than Nha Trang.
A B
3. She is prettier/more pretty than Nina.
A B
4. She is lazier/more lazy than I am.
A B
5. The well is depper/more deep than I think.
A B
Bài 2: Chọn đáp án đúng để điền vào chỗ trống trong các câu sau.
1. She is ....... singer I’ve ever met.
A. worse B. bad C. the worst D. badly
2. Mary is ....... responsible as Peter.
A. more B. the most C. much D. as
3. It is ....... in the city than it is in the country.
A. noisily B. more noisier C. noisier D. noisy
4. She sings ……….. among the singers I have known.
A. the most beautiful B. the more beautiful
C. the most beautifully D. the more beautifully
5. She is ....... student in my class.
A. most hard-working B. more hard-working
C. the most hard-working D. as hard-working
6. The English test was ....... than I thought it would be.
A. the easier B. more easy C. easiest D. easier
7. English is thought to be ....... than Math.
A. harder B. the more hard C. hardest D. the hardest
8. Jupiter is ....... planet in the solar system.
A. the biggest B. the bigger C. bigger D. biggest
9. She runs …… in my class.
A. the slowest B. the most slow C. the slowly D. the most slowly
10. My house is ....... hers.
A. cheap than B. cheaper C. more cheap than D. cheaper than
11. Her office is ....... away than mine.
A. father B . more far C. farther D. farer
12. Tom is ....... than David.
A. handsome B. the more handsome
C. more handsome D. the most handsome
13. He did the test ……….. I did.
A. as bad as B. badder than C. more badly than D. worse than
14. A boat is ....... than a plane.
A. slower B. slowest C. more slow D. more slower
15. My new sofa is ....... than the old one.
A. more comfortable B. comfortably
C. more comfortabler D. comfortable
16. My sister dances ……….. than me.
A. gooder B. weller C. better D. more good
17. My bedroom is ....... room in my house.
A. tidier than B. the tidiest
C. the most tidy D. more tidier
18. This road is ....... than that road.
A. narrower B. narrow C. the most narrow D. more narrower
19. He drives ……. his brother.
A. more careful than B. more carefully
C. more carefully than D. as careful as
20. It was ....... day of the year.
A. the colder B. the coldest C. coldest D. colder
Nhiều quá mk lm ko nổi
bn tham khảo chừng ấy nha

CHO DẠNG ĐÚNG CỦA TÍNH TỪ SO SÁNH HƠN NHẤT
25. I think England has the most changeable weather in the world.
26. The most comfortable hotel in Poznan is "Polonez".
27. The most credible person is Henry; he never tells a lie.
28. For many years, the Beatles were the most popular group.
29. It's the ugliest town I've ever seen.
30. Winter was the worst time for us. (bad)
31. The moon is the closest planet to earth. (close)
32. Jupiter is the largest planet in our solar system. (large)
33. Sirius is the most brilliant star we can see from earth. (brilliant)
34. Venus is the hottest planet in our solar system. (hot)
35. Ceres is the biggest asteroid in our solar system. (big)
36. The Energya is the most powerful rocket. (powerful)
37. Karl Henize was the oldest man in space. He was 58 years old.
38. Saturn is the most beautiful planet.
39. Venus is the brightest planet in our solar system.
40. The Apollo project was the most expensive space programme. It cost 25 541 400 000 dollars.
41. Mercury is the smallest planet in our solar system.
42. Romenko is the most experienced man in space. He spent over 420 days in space.
43. Pluto is the coldest planet in our solar system.
#chúc_bạn_học_tốt!
cleaner => cleanest
Wash-Bot is cleaner than Clean-Bot, but Trash-Bot is ironically the cleaner=>cleanest