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英语选择(要有原因)Theboxisveryheavy.Ithinktheresomebooksinit.A.maybeB.mayhavebeen

题目详情
英语选择(要有原因)
The box is very heavy.I think there ___ some books in it.
A.may be B.may have been
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答案和解析
选A 箱子很重 我想可能有一些书在里面