i _______for three hours when i suddenly became sick.
i _______for three hours when i suddenly became sick.
A.had been working B.would work C.have worked D.am working
A.had been working B.would work C.have worked D.am working
其他人氣:861 ℃時間:2020-06-12 09:02:22
優(yōu)質(zhì)解答
would work是本應(yīng)該工作.have worked是過去完成時,與正好突然生病不對.am working就不解釋了.had been working是“過去三個小時一直在工作”.
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