真题练习

459.Unexpected difficulties ________ in the course of their experiment.

A.arises

B.were arising

C.arose

D.were arisen

460.We're going camping tomorrow.Will you join us?

I wish I _______.As a rule,I _______my mother in the country that day of the week.

A.would;saw

B.can;have seen

C.shall;will see

D.could;see

答案解析

459.答案是C;考查动词的时态和语态在具体语境中的应用。

460.答案是D;第一空wish+从句应用虚拟语气；第二空根据as a rule暗示，此处应考虑用一般现在时。