He had already posted the letter ____five yesterday.
He had already posted the letter ____five yesterday.
A.on B.at C.by D.for 此題應(yīng)該選C,
A.on B.at C.by D.for 此題應(yīng)該選C,
英語人氣：761 ℃時間：2020-01-31 11:22:15
優(yōu)質(zhì)解答
對,表示在那個時間前用by
我來回答
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