1. B

2. C

3. A

4. D

5. C

6. B

7. D

8. C

9. D

10. B

11. C

12. B

13. A

14. C

15. C

16. C

17. B

18. A

19. B

20. B

những câu trên thì hiện tại tiếp diễn mà bạn.

1. The lesson is being explained by the teacher now.

2. Washing up is being done by my mother.

3. Some flowers are being bought by Jane and Mary.

4. The missing boy is being looked for by the police.

5. The tower is being destroyed.

2. Nam plays guitar talently.

3. Mr Hung runs very quickly.

4. Mary sings very well.

1. A

2. C

3. A

4. D

5. A

6. A

7. A

8. C

9. A

10. B

11. A

12. A

a. A = 4765 + 379 - 4755 - 378

A = (4765 - 4755) + (379 - 378)

A = 10 + 1

A = 11

Vậy A = 11.

b. B = (431 + 435 + 436) - ( 31 + 35 + 36) 

B = 431 + 435 + 436 - 31 - 35 - 36

B = (431 - 31) + (435 - 35) + (436 - 36)

B = 400 + 400 + 400

B = 400 . 3 = 1200

Vậy B = 1200.  

1. knows - won't come

2. will climb - aren't

3. will come - doesn't have

4. know - will give

5. have - will grow

6. have - will be

7. will you do - find

8. give - will you do

9. stop - will feel

10. won't have - have

1. C

2. C

3. C

4. C

5. D

6. B

7. C

8. C

9. A

10. B

11. B

12. A

13. B

14. A

15. A

doesn't like

don't join

Can you