1 . It _______ be freezing cold sometimes in spring in the south. It's called cold in the late spring.

A．shall

B．will

C．may

D．can

2 . 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

3 . 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

4 . —Do you think the phone is genuine?
—I don’t think it________be a fake，as this shop has a very good reputation.

A．must	B．can
C．might	D．would

5 . ----- Why hasn’t Jack come back yet ? _______ anything have happened to him ?
----- I’m not sure, but I guess something _______ .

A．May, must have	B．Can, may have
C．Must, may	D．Should, might have

6 . China Hengda＿well have won the football match, but I don't know because I wasn't there.

A．could	B．may
C．should	D．must