1. finishes 
2. a. are     b. watch  
3. doesn't shine    
4. is ( do từ đứng sau là danh từ số ít)
5. wash
6. will return
7. will stay (cấu trúc if điều kiện 1)
8. will take
9.won't come
10. is running
11. buys
12. isn't drinking (do có "at the moment" nghĩa là : ngay bây giờ)
13. are climbing
14. is crying
15. is coming
16. Do......go
17. washes
18. help
19. will do
20. doesn't like

chúc bạn học tốt.

mik chỉ giải thích mấy câu khó thôi. còn lại là các thì đơn giản :hiện tại đơn, hiện tại hoàn thành,.. 

1. Mrs. Mai usually finishes her work at 5 p.m.

2. A- Where are your children? B- They are watching tv in the sitting room

3. In England the sun doesn't shine every day

4.There iss a lamp, a computer and some books on my desk.

5.You must wash your hands before meals.

6. I promise I  would return to school on time.

7. If it rains, he will stay at home. 

8.can You take me to the zoo this weekend?

9. I think he doesn't  come back his hometown

10. Sit down! A strange dog  is running  to you

11. My mom often buys meat from the butcher's

12. My brothers isn't drinking at the moment

13. Look! Those people are climbing the mountain so fast

14. That girl is crying loudly in the party now _ 15. Shh! The boss  is coming . 

16. do you usually go away for Christmas?

17. Mrs. Nga usually watches TV after dinner.

 18. You should help old people

19. My sister will do her homework tonight

. 20.He doesn't like watching cartoons.