I. Put the verbs in parentheses in the correct tense. Use the present simple or present progressive.
1. Lisa just left. She is going (go) to her aerobics class by now.
2. He __________ (go) to aerobics class three times a week.
3. You __________ (breathe) hard. Sit down and rest for a while.
4. Dolphins and whales are mammals. They __________ (breathe) air.
5. We’d better not go out now! It __________ (rain) heavily!
6. In our area, it __________ (rain) a lot in June.
7. Our neighbors __________ (dance) again. The music is too loud!
8. Our neighbors __________ (dance) every Saturday evening. Their noisy music disturbs everybody.
9. Warm air __________ (rise). Cool air __________ (fall).
10. Look at that balloon. It __________ (rise) very fast. Oops! I guess it popped. Now it __________ (fall).
11. The Mekong River __________ (flow) through the Dong Thap Muoi Basin.
12. Put your raincoat on! It __________ (rain) outside!
13. What language __________ people __________ (speak) in Australia?
14. I know Mr. Wang speaks Chinese. But what language __________ he __________ now?
15. Kate __________ (usually/ finish) her work before 4.30 every day.
16. Listen! I think someone __________ (knock) at the door!
17. Most people __________ (enjoy) traveling outside the city when they have a two or three day holiday.
18. __________ (you/ watch) television or can I turn it off now?
19. A liar is someone who never __________ (tell) the truth.
20. Nobody has seen the girl since she left her home a week ago, and now the police __________ (still look) for her.
Sam enjoys cooking very much. He (1. try, often) often tries to have company for dinner. He (2. invite) invites me to dinner once a week. When I arrive, I (3. go) go to the kitchen and (4. watch) watch him cook. He (5. have, usually) usually has three or four pots on the stove. He (6. watch) watches the pots carefully. He (7. make, often) often makes a big mess in the kitchen when he cooks. After dinner, he (8. wash, always) always washes all the dishes and (9. clean) cleans the kitchen. I (10. cook, never) never cook It (11. be) is to much trouble. But my friend Sam (12. love) loves to cook.