1 . 我相信，当许海峰为自己的祖国赢得第一枚金牌时，整个中国都为之感到自豪。
I am sure the whole of China __________ __________ __________ proud when Xu Haifeng won the first gold medal for his country.

2 . It is a truly delightful place, which looks the same as it _______100 years ago with its winding streets and pretty cottages.

A．could have done	B．would have done
C．must have done	D．should have done

3 . He _____ have completed his work; otherwise, he wouldn’t be enjoying himself by the seaside.

A．should

B．must

C．wouldn’t

D．can’t