D

17celebration 19although

a. I received your letter yesterday.

b. I'm glad that you are well. I am fine, too.

c. I got my school report last week.

d. I got good grades in History and English but my Math result was bad.

e. The teacher asked me to improve it in the next school year.

f. I am looking forward to hearing news from you soon.

took - was staying

a

9. In the past, women used to do the house work without the help of modern equipment.

10. SHe has learnt to swim for five years.

11. Tam used to study better than now.

12. We have been close friends for two years.

1B

2A

37. They have a rich culture including folk music and games.

38. I was doing some Internet research on Vietnamese legends around 9 p.m. last night.

39. ​Computers should only be used to for a limited time.

40. Ethnic people in the mountainous regions live more simply than people in the city

Tet is the most important festival in Viet Nam; therefore, most Vietnamese return home for Tet.

Tet is the most important festival in Viet Nam; therefore, most Vietnamese return home for Tet.

1.Lang Lieu couldn’t buy any special food because he was very poor

2.During Tet, Vietnamese people buy all kinds of sweets so they make Chung cakes as well

3.We don’t celebrate the festival if it costs too much money

4.while the tortoise was running , the hare was sleeping

5.although the girl worked hard, her stepmother wasn’t happy

1.     Lang Lieu couldn’t buy any special food because He was very poor.                 (BECAUSE)

………………………………………………………………………………………..…..…

2.     During Tet, Vietnamese people buy all kinds of sweets so They make Chung cakes as well.(SO)

………………………………………………………………………………………..…..…

3.     We don’t celebrate the festival if It costs too much money. (If)

………………………………………………………………………………………………

4.     The tortoise was running while The hare was sleeping. (WHILE)

…………………………………………………………………………….….…………

5.     . Her stepmother wasn’t happy although The girl worked hard (ALTHOUGH)

………….…………………………………………………………………………

although he was feling bad,he goes to work and tried to concentrate