III. Supply the correct tense of the verb.
1. Look! The man ……………………(cycle) .
2. He usually ……………………(water) the trees in the morning.
3. She ……………………(not listen) to the radio last night.
4. She ……………………(go) to work by bus tomorrow.
5. They ………………(not be) at home yesterday morning.
6. They (cook) ………………. dinner twenty minutes ago.
7. Hoang practices …………… (speak) English every day.
8. Be quiet! My son (study) …………………. in the room.
9. They (work ) …………………..: for this company for six years.
10. If we (reuse) ................................................. bottles, we will save a lot of money.