题目内容
—Why can your neighbor know so much about London?
—He ____ have been there before.
| A.must | B.can | C.should | D.need |
A
解析
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题目内容
—Why can your neighbor know so much about London?
—He ____ have been there before.
| A.must | B.can | C.should | D.need |
A
解析