How long do you think it will be ______ the Chinese people land on the moon?A．th_刷题宝

题干

How long do you think it will be ______ the Chinese people land on the moon?

A．that

B．since

C．until

D．before

上一题下一题 0.85难度单项选择更新时间:2010-06-08 09:04:58

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