1. go / go
2. am writing
3. have / go
4. have
5. have
6. am eating / are playing
7. is looking / is eating
8. Phong, An, Ha, and Lan are
9. Is / walking
10. It is / are learning
11. What are / doing
12. Does / walk
13. Do not play
14. Is / working
15. is doing
16. James and his brother are playing / play
17. does the old man live
18. teaches / is teaching
19. is studying

32.In the autumn, I rarely (go)___go____ sailing and (go)__go______ to school.

33.I (write)__________am writing___________ a letter to my friend now.

34. At 12 a.m every day, I (have)____have___ lunch and (go)____go____ to bed.

35.On Monday, I (have)___have_________ math and Art.

36.On Friday, I (have)_______have_____ English.

37.At the moment, I (eat)___am eating____an orange and My sisters (Play) _is playing__Tennis.

38.Now, He (look)____is looking___ his cat . It (eat)___is eating___ a mouse in the garden.

39.Phong, An , Ha, Lan (be)_______are___________ close friend.

40.______Does_____your mother(walk)_____walk____to market?

41.It (be)_____is_____10.00.We (learn)___are learning________________our lesson.

42.What________are___you (do)_______doing_____now?

43.______Does____your mother (walk)walk  to work every day?

44.They (not play)__________don't play______soccer in the morning.

45___Is_________Hai(work)_______working_____in the garden at the moment?

46.My brother (do)__________is doing____________his homework in his room now. He does it every
day.

47.James and his brother (play)______are playing____________soccer at the moment. They (play)
_____________plays____ it every afternoon.

48.Where______is__________the old man (live)___living________now?

49.Mr.Smith often (teach)___teaches_ class 4A,but this morning he (teach)__is teaching___class 4B.

50.It's 7.30 now. She (study)_________is studying______ science in the classroom.

1. go; go
2. am writing
3. have; go
4. have
5. have
6. am eating; are playing
7. is looking; is eating
8. Phong, An, Ha, Lan are
9. Is; walking
10. is; are learning
11. What are you doing now?
12. Does your mother walk to work every day?
13. They do not play soccer in the morning.
14. Is Hai working in the garden at the moment?
15. My brother is doing his homework in his room now. He does it every day.
16. James and his brother are playing soccer at the moment. They play it every afternoon.
17. Where does the old man live now?
18. Mr. Smith often teaches class 4A, but this morning he is teaching class 4B.
19. It's 7.30 now. She is studying science in the classroom.