．－May I keep this book for two days?
－No, you_______. It’s a library book for reference only.

You’d better not phone the manager between 7and 8 tomorrow evening; he _______an
important meeting then.

You__________the parcel home. The shop would have delivered it if you had asked.

You look so tired. You______have stayed up late again.

You ____ him so closely;   you should have kept your distance.

Tina _____ have known the truth, or she would have told us.

．—What’s the matter with you ?
—Oh, I’m not feeling well in the stomach . I ___________so much fried fish just now .

There was a lot of fun at yesterday’s party. You _____ have come, but why didn’t you?
A must    B shouldn’t    C needn’t   D ought to

There is no night on. They _____ be at home.
A can’t    B mustn’t    C needn’t   D shouldn’t

We are sorry that you _________ feel uncomfortable.