—Shall I begin the lecture?                                             

—I’m afraid we have to wait for a while. John is coming with a microphone.

— ______. I can do without the microphone.

A.I’m sorry          B.Excuse me          C.I beg your pardon     D.Never mind

----Shall I go and buy more food and drinks for the party ?
----- No, we have prepared a fridge of those.That ____ be quite enough.

----Shall I go and buy more food and drinks for the party ?

----- No, we have prepared a fridge of those.That ____ be quite enough.

A．can              B．may              C．might             D．ought to

1. Shall I __________ (介绍) you to my classmates?

2. The __________ (侦探)spent the whole night waiting for the thief.

3. He was ___________ (解雇)by his boss for no reason .

4..As a student, you have to b__________ work and play, or you might fail your exams.

5..Young ladies are running after a slim f__________ ,aren’t they?

6.. We r____________ to inform you that our library will be closed.

7.. The school can’t t_________ such bad behavior.

----Shall I go and buy more food and drinks for the party ?
----- No, we have prepared a fridge of those.That ____ be quite enough.

1. A.
   can
2. B.
   may
3. C.
   might
4. D.
   ought to