1/

2. They can not only buy and sell things but also eat, drink, play games and socialize

3. They buy things, play the flute, dance and sing

4. Because they can meet, make friends or look for lovers

5. bạn viết theo ý của bạn nhé, nếu lên Sa Pa thì bạn sẽ làm gì?

2/

1. A Tay family are living in the house

2. There are three children

3. She goes to the market twice a week

1D 2C 3C 5A 6C 10D 11A 12D 13A 

2/

1. She doesn't like to communicate through emails

2. The village children dream about travelling to faraway places

3. The Yao people are famous for their elaborate costumes

4. The city is noisier than the countryside

3/

1. Nowadays, more teenagers rely on technology than in the past.

2. In our country, it is against the law to discriminate against any ethnic group.

3. Some minorities in the mountains still keep their traditional ways of life.

1. are -> is

2. is -> are

3. costed -> costs

4. are -> is

5. are -> is

6. are -> is

7. Are -> Is

8. seem -> seems

9. were -> was

10. is -> are

11. are -> is

12. is -> are

13. is -> has been

14. is -> are

15. are -> is

16. speaks -> speak

17. are -> is

18. are -> is

19. were -> is

13. have

14. increased

15. have

16. has

17. have seen

18. are

19. is

20. has

6. was

7. answered

8. makes

9. was

10. were

11. frightened

12. are

1. Yesterday , my sister (be)…………was……………..at home .

2. They (not be )…………won't be……………at school next Sunday.

3.(he be )…………Was he………….at the party last night ?

Yes, he (be )………was…………

4. Nam often (do )……………does…………………his homework after school .

5. What time ……did……you (go) ..........go...........to bed last night?

6.. We (be) ………will be……………in London next week.

7. It (be)………was……………sunny yesterday.

8. I and Nam (be)…………were……………at the cinema yesterday.

9. Last summer, I (visit)………visited…………Da Lat with my family .

10. Last night , I (do) …did…...my homework .Then I (go)……went……….to bed.

11.She always (wash )……………washes…………….her face every morning .

12. We (be)……………were…………….single last year.

13. Nam (listen)………listened……………..to music yesterday .

14. (He have) ..................Did he have.................a lot of friends in Ho Chi Minh city 3 years ago?

15. His uncle (take)................took.............him to see a doctor last week.

16.She rarely (chat )………chats………..with her friends .

17.( Liz buy).....................Did Liz buy................ a lot of souvenirs yesterday?

18. (They see)……………Did they see……….…a lot of animals at the zoo yesterday ?

19. Every night I (go )…………go……………bed early.

20. They ( not eat).............won't eat...............meat in her meals in Vung Tau tomorrow.

21. I(wear) ............wore....................the cap with a dolphin on it yesterday.

22. Liz (teach)......................taught.................. Ba some English last week.

23.( Bad and Tan remember) ...................Did Bad and Tan remember..........................their trip to Nha Trang last month?

24. (Nam return) .....................Will Nam return..........................to Ha Noi next week?

25. We (dance)………danced………..and (sing)…………sang………at Nam’s party last night.

26. Where (he go).................will he go....................... next month ?

27. Yesterday, I (get………got……….up at 6 and (have)……had…….breakfast at 6.30.

28. They (buy ) …………bought………….. that house last year.

9 yesterday,school finish at 4.50 p.m .We .......home at 5.15 p.m {returned/invited/cooked/played}