问题
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:used to
C:tried to
D:happened to
正确答案是：
同类题型
I have to study_____ my math test_____ Thursday evening.[ ]
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Is this __________card?–Yes． ___________card is Tom’s．
Have you seen book on the desk?—Is it English book? I saw it just now.