once lost的用法疑问

An opportunity is something that, ____, by no means you will get back.

An opportunity is something that, ____, by no means you will get back.

A. if you lose B. when lose C. once lost D. after losing

书上的答案是C,请问老师,为什么不选A

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最佳答案 2022-02-26 17:14

lose在此是及物动词,意为失去机会、错过机会。once it is lost 省略it is, 得到once lostABD都是语态错误。你需要注意句子的逻辑,这样就不会产生疑惑了。

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  • kingbill 提出于 2022-01-27 08:40