選B ,從句過(guò)去進(jìn)行時(shí)表將來(lái)的狀態(tài) .
CD項(xiàng)都是過(guò)去完成時(shí)態(tài),應(yīng)該不可以,這里沒(méi)有過(guò)去的事情對(duì)現(xiàn)在的影響.
A只是個(gè)普通的一般過(guò)去時(shí),而從句不是對(duì)過(guò)去的描述.
Ididn'tknowwhenthey____again.
Ididn'tknowwhenthey____again.
A.cameB.werecomingC.hadcameD.hadbeencomintg
A.cameB.werecomingC.hadcameD.hadbeencomintg
英語(yǔ)人氣:563 ℃時(shí)間:2020-03-25 18:49:19
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