题目内容
-Excuse me, does Mr Smith’s son live here?
-He _________ be here, but he has moved.
A. has to B. used to C. tried to D. happened to
B
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题目内容
-Excuse me, does Mr Smith’s son live here?
-He _________ be here, but he has moved.
A. has to B. used to C. tried to D. happened to
B