Ex2. Complete the form of the verbs in parentheses:​
1. You must (wash) ...................... your hands before meals.
2. I am used to (stay) ...................... up late.
3. It takes him 2 hours (finish) ...................... this exercise.
4. The test is too difficult for the pupils (finish) ...................... in time.
5. They let him (play) ...................... here.
6. It’s no use (tell) ...................... him (tell) ...................... the truth.
7. You had better (be) ...................... there on time.
8. The man shows us how (get) ...................... to the railway station.
9. I used to (visit)...................... Nha Trang.
10. Mai is busy (cook) ...................... in the kitchen.
11. They told us (not stay) ........................................ here.
12. She advised me (not be) ...................................lazy.