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1. If you had been paying attention, you ______ what to do.
(A) had known
(B) knew
(C) would have known
(D) know


答案:登入後觀看
難度: 非常簡單
1F
小鼻 高二下 (2015/08/12)
If條件句:had been paying(過去完成)
結果句:would have p.p

1. If you had been paying attention, you..-阿摩線上測驗