How long do you believe it will be Chinese people land on the moon?A. beforeB. sinceC. wh

发布时间:2020-08-16 14:42:30

How long do you believe it will be      Chinese people land on the moon?
A. before
B. since
C. when
D. that

网友回答

(答案→)A. before
B. since
C. when
D. that
解析:考查连词的用法,before 在什么之前,才,就,since 自从,when 当什么时候,句意:你认为还要多久中国人才能在月球上着陆。所以选A。
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