Ответ:

a. 1. You must see a doctor.

2. Do you have to make so much noise?

3. She said we must stay here.

4. I have to have some help.

5. He had to go out last night.

b. 1. He must be a fool.

2. He must be mad.

3. She must be over forty.

c. 1. Can I use your telephone please?

2. He may telephone tomorrow.

3. Can you give me two tickets please?

4. The play may have already begun.

5. Can I leave the table please?

Объяснение: