问题
选择题
— The duty of Project Hope is to help poor children, isn't it?
— Yes, it has built many schools ______ those children can study happily. [ ]
A. where
B. when
C. which
答案
答案：A
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— The duty of Project Hope is to help poor children, isn't it?
— Yes, it has built many schools ______ those children can study happily. [ ]
A. where
B. when
C. which
答案：A