2. He usually (water) the trees in the morning -waters 
3. She (not listen) to the radio now.- is not listening 
4. He (play) table tennis at the moment.-is playing
5. Mo and Nguyen (sing) the same song now,- are singing 
6. They always (make) noise in the class.-make
7. Hung often (not go) camping in the summer.-doesn't go
8. Hanh (not read) with the friends at the moment.- is not reading
9. Son (write) to their friends every summer holiday?- Does....write 
10. What you (listen) on the radion now?-are...listening 
11. Listen! Someone (cry).-is crying
12. Kien and Tuyen (be) good students.-are
13. He (watch) a romantic film on TV this evening.-will watch 
14. You often (do) your homework in the evening?- Do...do
15. I (read) an interesting novel at the moment.-am reading
16. You usually (watch) TV in the evening?-Do...watch
17. They always (talk) to each other in the weekend.-talk
18. They (play) soccer at the moment.-are playing
19. She often (not go) (shop) on weekend.-doesn't go
20. They (not be) classmates.-are not
21. He (be) your father?-is he your father
22. She (listen) to music now?-is....listening 
23. Thanh and Hung (read) a wonderful story at the moment
24. Mai and Hang (not play) the game at the moment.
25. I often (wash) my clothes.