IV.

9. B         10. D

V.

1. Bear

2. Am studying

3. Swimming

4. Go

5. Are

6. Build

7. Have

8. Vistit

9. Come

10. Write

VI. Tui hăm biết làm.

IX. 

1. There are 20 desks in my classroom

2. George is a collector of old coins from abroad, which is George's profit

3. Nam is the most intelligent people in my class

4. Living in Ha Noi is more expensive than living in Cao Bang

5. Minh doesn't better at chess than Jone

Nếu thấy hay thì cho tui 5 sao và ctrlhn nha thanks

V/

1. bear

2. study

3. swimming

4. go

5. are

6. built

7. have

8. visit

9. come

10. write

IX/

1. There are 20 desks in my classroom.

2. George is a collector of old coins from abroad, which is George's profit

3. Nam is the most intelligent in my class.

4. Living in Ha Noi is more expensive than living in Cao Bang.

5. Minh doesn't better at chess than Jone.

Còn phần VI thì tui biết nhưng nhiều câu quá nên lười làm :)))) tui nhắn xin phép ko làm phần đó cho bạn r nhé !! :))))