Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
![](https://rs.olm.vn/images/avt/0.png?1311)
5. Many people forget that zippers are wonderful because ………………………
A. they are strong B. they open and close easily C. they are colorful D. they are common
6. The first zipper was invented ………………………………………
A. in 1800 B. in the 1800s C. in 1839 D. in 18th century
7. A zipper consists of …………………………………
A.three metal of plastic teeth B. dozens of parts C. dozens of parts D. metal or plastic teeth, two flexible strips of cloth and fastener
8. It was …………for people in the US to wear clothes or shoes with a long row of buttons.
a. A.easy B. difficult c.wonderful d.convenient
![](https://rs.olm.vn/images/avt/0.png?1311)
They accidentally cut off our water supplying while mending the road.
![](https://rs.olm.vn/images/avt/0.png?1311)
They bought their car in 1990.
-> Their car was bought in 1990.
![](https://rs.olm.vn/images/avt/0.png?1311)
Ha Long Bay is a UNESCO World Heritage Site and popular travel (1)_____________inQuangNinh Province, Vietnam. The bay features thousands of limestone karsts and isles in (2) _____________ shapes and sizes. Ha Long Bay is a center of a larger zone which (3) _____________ BaiTu Long Bay to the northeast, and Cat Ba Island to the southwest.
Ha Long Bay has an area of around 1,553km2, including 1,960 - 2,000 islets, most of(4)_____________ are limestone. The core of the bay has an area of 334km2 with a high density of775 islets. The limestone in this bay has gone through 500 million years of (5)_____________ in different conditions and environments. The evolution of the karst in this bay has taken20 million years (6)_____________ the impact of the tropical wet climate. The geo-diversity of the environment in the area has created (7)_____________ , including a tropical evergreen biosystem, oceanic and sea shore biosystem. Ha Long Bay is (8) _____________ to 14 endemic floral species and 60 endemic faunal species.
1. a. situation b.destination c. direction d. ground
2. a. various b.complex c. exciting d. original
3. a. offers b.includes c. consists d. covers
4. a. them b.those c. which d. whom
5. a. formation b. foundation c.establishment d. contribution
6. a. in b. of c.for d. under
7. a. biochemical b. biodiversity c.bioconversion d. biodefense
8. a. way b. place c.home d. house
1. a. situation b.destination c. direction d. ground
2. a. various b.complex c. exciting d. original
3. a. offers b.includes c. consists d. covers
4. a. them b.those c. which d. whom
5. a. formation b. foundation c.establishment d. contribution
6. a. in b. of c.for d. under
7. a. biochemical b. biodiversity c.bioconversion d. biodefense
8. a. way b. place c.home d. house
![](https://rs.olm.vn/images/avt/0.png?1311)
1 We were advised not to go alone
2 When was your kitchen decorated
3 The computer is being used by Bill at the moment
![](https://rs.olm.vn/images/avt/0.png?1311)
Ex1 viết lại câu sao cho nghĩa không thay đổi 1.This last time she came black to her hometown was 4 years ago =>she ha... - Hoc24
Cop ở đâu thì ghi nguồn vào nha!
Ex1 viết lại câu sao cho nghĩa không thay đổi
1.This last time she came black to her hometown was 4 years ago
=>she hasn`t....come back to her hometown for 4 years.................................................................................
2.He stared working as a bank clerk 3 months ago.
=>he has....worked as a bank clerk for 3 months.....................................................................................
3.It has been 5 years since we first flew to Singapore.
=>we have.......flown to Singapore for 5 years............................................................................
4. I last had my hair cut in November.
=>I haven`t cut my hair since November
5.The last time we called each other was 5 months ago
=>We haven`t called each other for 5 months
6.It is a long time since we last met
=>We haven`t met for a long time
7 .when did you have it?
=>How long have you had it ?
8.This is the fist time I had such a delicious meal
=>I haven`t had such a delicious meal before
9.I haven`t seen him for 8 days
=>The last time i last saw him was 8 days ago
10.To day is Saturday.I haven`t taken a bath since Wednesday.
=>It is Wednesday since i last took a bath
![](https://rs.olm.vn/images/avt/0.png?1311)
1 Cars left here will be towed by the police
2 The room has been cleaned
3 The concert has been postponeded
4 The situation is serious. Something must be done before it's too late
5 Bananas are exported to Europe
.......... vary in shapes and .....