Câu trả lời:
I. Put the verbs in the PESENT SIMPLE or the PRESENT CONTINUOUS.
1. I am having (have) lunch at the moment.
2. I don't understand (not/understand). What is happenning (happen)?
3. This is a great party. I am having (have) a lovely time at the moment.
4. Be quiet! My son is sleeping (sleep).
5. Mary usually makes (make) all her new clothes. At the moment she is making (make) a dress for herself.
6. Is she playing (play) the piano in her room now?
7. My students don't sometimes have (not have) equipment to study in the class.
8. What they do usually do (do) at the weekend?
9. He is taking (take) the bus now.
10. Andy sometimes reads (to read).
11. We never watch (to watch) TV in the morning.
12. Listen! Sandy is singing (to sing) in the bathroom.
13. My sister usually helps (to help) me in the kitchen.
14. My mother is making (to make) breakfast now.
15. They often clean (to clean) the bathroom.
16. Look! The boys is coming (to come) home.
17. Every day his grandfather goes (to go) for a walk.
18. I am chatting (to chat) with my friend at the moment.
19. Cats eat (to eat) mice.