问题
选择题
An completely new district of industry has appeared in ________ used to be wasteland.
A．which
B．that
C．what
D．where
答案
答案：C
题目分析：句意：一个全新的工业区出现在曾经是废墟的地方。介词in后面接的是宾语从句，宾语从句中缺少的是主语，所以用what引导宾语从句。选C。
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