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I didn`t know ---------- because it was dark.

学习时间:2026-08-10 18:13:20 阅读：2978

I didn`t know __________ because it was dark.A)what`s happenedB)what was happenedC)what had happenedD)happened what选什么?为什么?

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受伤的悟空

壮观的百褶裙

2026-08-10 18:13:20

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c1。happen没有被动语态 B错误2。前面有did,所以happen用过去的过去。选c

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俭朴的店员
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2026-08-10 18:13:20
c1。happen没有被动语态 B错误2。前面有did,所以happen用过去的过去。选c

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