1° Complete the following sentences with (don’t) have to, ought to, should(n’t), must(n’t),can(‘t). 1.You ………………… be 18 years old to vote.
2.She …………………. smoke in the building.
3.They …………………… drink so much coffee. It’s not very healthy.
4.You ………………. spend more time studying if you want to succeed.
5.I ……….. open the window if it’s too hot.
6.I’m going to a job interview. I ……………. wear a suit.
7.I’m going to a job interview. I …………….. wear jeans.
8.He ………………. get up early tomorrow. It’s Sunday.
2° Complete with had better (not).

1.A: I have to go to a birthday party tomorrow.
B: Well, you ……………. buy a present.
2.A: I feel sick.
B: Well, ………………. eat anything.
3.I …………….tidy up my room before my mother gets home.
4. She ……………… take the test if she hasn’t studied at all.