单选题
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试题题干

A tall building has been set up in ( )was a wasteland before.

A

which

B

where

C

what 

D

that 

参考答案

正确答案:

试题解析

本题考查宾语从句,句意:以前曾是一个垃圾场的地方,现在已建起一栋高楼。what was a wasteland before是一个宾语从句,做前面介词in的宾语,其中what作为从句的主语。