All the cash crop _____before we placed an order.[ ]A. is exported B. has been exported C. will be exportedD. had been exported-高中英语-n多题

◎ 题干

All the cash crop _____ before we placed an order.

[ ]

A. is exported
B. has been exported
C. will be exported
D. had been exported

◎ 答案

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◎ 解析

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◎ 知识点

根据n多题专家分析，试题“All the cash crop _____before we placed an order.[ ]A. is exported B. has been exported C. will be exportedD. had been exported…”主要考查了你对【过去完成时的被动语态】等知识点的理解和应用能力。关于这些知识点的“档案”，你可以点击相应的链接进行查看和学习。

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