1 . Sorry, I’m late. I ______ have turned off the alarm clock and gone back to sleep again.

A．might	B．should
C．can’t	D．will

2 . Keep up your spirits even if you _____ fail hundreds of times.

A．must	B．need
C．may	D．should

3 . －Will you go travelling with me this summer?
－I'm not sure. I ________ have to take care of my grandma.

A．may	B．shall
C．need	D．must

4 . English is a language that many young people around the world ________ not speak perfectly but at least ________ understand.

A．may; can

B．would; might

C．will; must

D．could; might

5 . Some people who don’t like to talk much are not necessarily shy; they __________ just be quiet people.

A．must	B．might
C．should	D．would

6 . We ____________ have proved great adventurers, but we have done the greatest march ever made in the past ten years.

A．needn’t	B．may not
C．shouldn’t	D．mustn’t

7 . The society can remain good as long as we are willing to fight for it—and to fight against whatever imperfections ________ exist.

A．shall

B．may

C．should

D．would

8 . You             smoke here in the gas station; you            start a terrible fire.

A．shouldn’t, must	B．mustn’t; might
C．may not; could	D．can’t; should

9 . —You look very pretty, if I         say so.
—Thanks a lot for saying that.

A．must	B．may
C．will	D．have to

10 . —What do you think our chairman will do in the meeting?
—He _____ give a speech, but I’m not sure. You know his decisions often take us by surprise.

A．must	B．shall
C．can	D．may