1．If you __the hats back to the shop ,they would havechanged them for you

题目

1．If you __the hats back to the shop ,they would havechanged them for you
A.took B.have C.had taken D.would have taken
为什么要选C
2．The student found __to answer all the questions within one minute
A.no difficulty B.there was difficulty C.it difficult D.it being difficult
为什么要选C
3__,a British person often shakes hands.
A.After introducing to somebody B.On being introduced to somebody C.As being introduced to somebody D.Having introduced to somebody
为什么要选B
4.Something __wrong that he still hasn't turned up
A.must be B.must have been C.should be D.could have been
为什么要选B
5.I wish she __me the good newsyesterday.
A.has told B.told C.had told D.would tell
为什么要选C

答案

1.这里是有if引导的与事实相反的条件状语从句,要用虚拟语气,对过去虚拟用过去完成时,所以选C
2句式,find it + adj + to do sth find+宾语+宾补
3.on处于某种状态
4.结合语境,排除CD,C是应该,D是本能够．这里是must表推测,从后面的hasn't turned up可确定是对过去的推测,所以选B
5.wish sb后用虚拟语气,有因yesterday确定为对过去的虚拟同1,所以选C