I won't believe it until I__it with my own eyes.

I won't believe it until I__it with my own eyes.
A saw B have seen C had seen D will see 选哪个?为什么呢?
英语人气:286 ℃时间:2020-01-26 12:11:08
优质解答
b
前面是won't,所以必须用现在完成时.
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