摘要：591] Our hometown is quite different from before. [译文] 我们家乡与以前大不相同了. A. that is was B. what it was C. which it was D. when it was [答案及简析] B. what引导的从句作介词的宾语.并在从句中兼作表语.而that,which,when则不能.

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