题目内容
Mike and I ______in the library now.
A.read | B.are reading | C.is reading | D.am reading |
B
本题中有个now,应该是现在进行时,结构为be+doing,本题的主语是复数,故be用复数are,故本题选B。
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题目内容
A.read | B.are reading | C.is reading | D.am reading |