─How was your trip to Mount Lao？─I didn't believe I could do it _________ I reac

题干

─How was your trip to Mount Lao？
─I didn't believe I could do it _________ I reached the top.

A．after

B．if

C．when

D．until

上一题下一题 0.65难度单选题更新时间:2019-10-12 10:46:17

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