问题
You’d better make a mark ______ you have any questions.
A:at which
B:at where
C:the place
D:where
B:at where
C:the place
D:where
正确答案是：
同类题型
Helen and Mary are good friends. _______often help each other.
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_________ is the supermarket from your home? –Half an hour’s ride. [ ]
Mike. Is that smart phone___________?—- Yes. My mother bought it for me yesterday.
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