问题
选择题
Some students want to challenge themselves by helping those victims in Zhouqu______ the mud slides
took place. [ ]
A. what
B. which
C. that
D. where
答案
答案：D
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Some students want to challenge themselves by helping those victims in Zhouqu______ the mud slides
took place. [ ]
A. what
B. which
C. that
D. where
答案：D