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  • Is this the room _____ he used as his first laboratory.

    Is this the room _____ he used as his first laboratory.
    A.who B.that C.the one D.in which
    英語人氣:620 ℃時間:2019-08-21 15:41:59
    優(yōu)質解答
    B
    He used the room as his first laboratory.
    that/which 可代替the room,但是這句話不用加介詞in
    the one用于表特指,但是room前面的the已經(jīng)可以表示特指了,所以不是the one,如果room前面沒有the,則用the one,即Is this room the one he used as his first laboratory?
    who只能指代人,不說了
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