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
解析
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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
解析