--Where'sLucy?--I'mnotsure.--She________intheschoollibrary.A.maybeB

发布时间:2020-08-06 18:16:40

--Where's Lucy?--I'm not sure.--She ________ in the school library.A.maybeB.must beC.may beD.will be

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C解析根据I'm not sure可以断定,后面是推测“也许是”。she后缺少谓语动词。故应该选may be。
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