1 . —Would you please repeat your telephone number? I __________ quite catch it.
—It’s 62548239.

A．can’t

B．couldn’t

C．didn’t

D．don’t

2 . Though a man may also feel like screaming as a woman________ in a crisis, he has a little bit more self-control than a woman and that makes the difference.

A．having	B．has
C．doing	D．does

3 . Sally’s never seen a play in the Shanghai Grand Theatre, ________?

A．hasn’t she

B．has she

C．isn’t she

D．is she

4 . Do nuclear weapons really ________ (减小战争爆发的危险)?（根据汉语提示完成句子）