Ответ:

1. can; can't; mustn't

2. can't; shouldn't

3. could

4. mustn't

5. can

6. have to

7. do we have to

8. can

9. can; can

10. don't have to

Underline the correct item.

1 A: Can I answer my mobile phone in class?

B: No, you can't. You mustn't use it in class.

2 A: I can't find my keys anywhere.

B: You shouldn't leave your things just anywhere, Tom.

3 A: Could I speak to you for a minute, please?

B: Of course.

4 A: Be quiet Todd! You mustn't talk during the exam.

B: I know. I'm very sorry, Miss.

5 A: Can you lend me your calculator, please?

B: Yes, of course. Here you are.

6 A: You have to pay to park here.

B: I wonder if it's expensive.

7 A: Do we have to keep our tickets?

B: Yes, until we get off the train.

8 A: Is Mr Grey here?

B: No, but you can wait in his office if you like.

9 A: Where can I find cheap airline tickets?

B: You can try booking them on line.

10 A: You don't have to do the washing-up.

B: That's OK. I want to.