问题描述：
Our teacher______to Beijing three times.A.went B.had gone C.has gone D.has been 选什么啊
Our teacher______to Beijing three times.
A.went B.had gone C.has gone D.has been
选什么,
Our teacher______to Beijing three times.
A.went B.had gone C.has gone D.has been
选什么,
问题解答：
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