When 丨went into the bedroom、l_______the drawer_______been opened What did you lose?Nothing、Maybe 丨opened it just now and forgot to close itA.noticed;had.B.noticed;have.C.notice;have为什么A为什么

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When 丨went into the bedroom、l_______the drawer_______been opened What did you lose?
Nothing、Maybe 丨opened it just now and forgot to close it
A.noticed;had.B.noticed;have.C.notice;have为什么A为什么

事情发生在过去,所以第一空用一般过去时
抽屉被打开,发生在过去的过去,用过去完成时
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went into the bedroom是过去式
而抽屉是在我进去之前就打开的,所以用过去完成式had been done

都是过去式啊