Đố vui : Để mua một cái áo 97k, bạn xin bố và mẹ mỗi người 50k. Sau đó, người bán hàng trả lại bạn 3k. Vì vậy bạn đưa lại mẹ 1k và bố 1k, còn 1 k bạn giữ lại. Giờ bạn trở thành đã xin bố và mẹ mỗi người 49k Ta có: 49k xin bố + 49k xin mẹ + 1k bạn giữ lại = 99k < 100k ban đầu.

Phải chăng 1k đã bị mất ?

 

VIII.  Fill in each blank with a suitable preposition.

1.  Tom Holden worked __________ a volunteer at a charity in 2010.

2.  They provided housing and other supports __________ homeless people.

3.  Some volunteers enjoy helping elderly people living __________ nursing homes.

4.  She donated thousands of pounds __________ children’s charities.

5.  The benefits __________ volunteering are enormous to you, and your community.

6.  You can volunteer to help cook and serve a meal __________ a homeless shelter.

7.  UNICEF has launched a campaign to help children __________ need.

8.  They provided street children __________ food and books.

VII.   Complete the sentences with and, but, so, or, because.

1.  Olivia was very happy __________ she passed her examination.

2.  He didn’t study __________ he failed the history exam.

3.  My mother usually gets home at 5 o’clock __________then she cooks dinner.

4.  I was late for class tills morning __________ the bus was late.

5.  We went to Jane’s house __________ she was out.

6.  We can go to the pool __________ we can go horse-riding, whichever you prefer.

7.  She is studying very hard __________ she wants to be a doctor.

8.  Carol studied hard for the maths test __________ she couldn’t get a good mark.

9.  The floor was wet and slippery __________ Mason almost fell.

10.     Mike ate healthy food __________ did regular exercises to keep fit.
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VII.   Complete the sentences with and, but, so, or, because.

1.  Olivia was very happy __________ she passed her examination.

2.  He didn’t study __________ he failed the history exam.

3.  My mother usually gets home at 5 o’clock __________then she cooks dinner.

4.  I was late for class tills morning __________ the bus was late.

5.  We went to Jane’s house __________ she was out.

6.  We can go to the pool __________ we can go horse-riding, whichever you prefer.

7.  She is studying very hard __________ she wants to be a doctor.

8.  Carol studied hard for the maths test __________ she couldn’t get a good mark.

9.  The floor was wet and slippery __________ Mason almost fell.

10.     Mike ate healthy food __________ did regular exercises to keep fit.

VIII.  Fill in each blank with a suitable preposition.

1.  Tom Holden worked __________ a volunteer at a charity in 2010.

2.  They provided housing and other supports __________ homeless people.

3.  Some volunteers enjoy helping elderly people living __________ nursing homes.

4.  She donated thousands of pounds __________ children’s charities.

5.  The benefits __________ volunteering are enormous to you, and your community.

6.  You can volunteer to help cook and serve a meal __________ a homeless shelter.

7.  UNICEF has launched a campaign to help children __________ need.

8.  They provided street children __________ food and books.

IX.    Arrange the words to make sentences.

1.  way/ others/ community/ a/ help/ service/ is/ great/ to/.

     ____________________________________________________________

2.  they/community/people/ because/ volunteer/ want/ improve/ to/ their/.

     ____________________________________________________________

3.  encouraged/ books/ people/ street children/ we/ to/ donate/ and clothes/ to

     ____________________________________________________________

4.  what/ to/ help/ we/ can/ do/ the environment/ clean/?

     ____________________________________________________________

5.  work/ done/ you/ ever/ have/ volunteer/ any?

     ____________________________________________________________

6.  free time/ Joe/ doing/ work/ spent/ most/ at/ his/ local hospital/ a/ of/ volunteer.

     ____________________________________________________________

X. Write the second sentence so that it has the same meaning as the first one. Use the word in brackets.

1.  I’m leaving now because I don’t want to miss the train. (so)

→ I’m_________________________________________________________

2.  The last time I saw my uncle was two years ago. (for)

→ I haven’t____________________________________________________

3.  Let me reach my office and then I will talk to him. (when)

→ I___________________________________________________________

4.  Why don’t we donate our old books, toys and clothes to charity? (suggests)

→ Mom_______________________________________________________

5.  Jane stayed behind after the class in order to talk to the teacher. (because)

→ Jane________________________________________________________

6.  This is the first time they’ve been to Korea. (before)

→ They’ve_____________________________________________________

7.  How long have you been a member of Volunteers In Asia? (join)

→ When_______________________________________________________

8.  We suggested people recycle glass, cans and paper. (encouraged)

→ We_________________________________________________________