Exercises:

1. “ _____ you play baseball?” “ No, I _______. “

A. Can; may B. Can’t; can’t C. May; can’t D. can; can

2. “ ______ I hand in the paper this week?” “ No, you ______. You _____ hand it in next week.

A. Must; needn’t; may B. will; mustn’t; ought to

C. Shall; can’t; have to D. Should; didn’t have to; can

3. There were already 4 people in the car but they managed to take John as well. It ______ a comfortable journey.

A. can’t be B. wouldn’t be　C. mustn’t have been D. couldn’t have been

4. It’s nearly eight o’clock. They ______ be here at any moment.

A. must B. can C. should D. need

5. “ ______ I take the magazine out of the reading room?” “ Sorry, you _____.”

A. May; mustn’t B. Must; can’t   C. will; didn’t have to C. Can; aren’t able to

6. The boss say to the secretary, “ If you work well, you _____ have a rise.”