－Excuseme,doesMrSmith’ssonlivehere?－He

問題詳情：

－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

【回答】

B

知識點：動詞和動詞短語

題型：選擇題