1. It’s strange____ 

A.that he should havd refused the offer  

B.he said“No” when we are offering 

C.when he said “No”                   

D.how can he refused it 

答案: A。it is strange 后面接的 that-从句通常用 should + 动词原形 这样的虚拟语气。

2. Do you still remember the place____you once visited a few years ago? 

A.where  B.that  C.in which   D.how 

答案: B。关系代词 that 在定语从句中用作宾语（作 visited 的宾语）。

3. Is this dictionary____you bought the day before yesterday? 

A.when  B.which   C.what   D.the one

答案: D。the one 用作表语，原句的陈述句形式为：

This dictionary is the one you bought...