is known to everybody, the moon travels round the earth once every month.A. ItB. AsC. Tha

发布时间：2020-08-16 21:47:09

     is known to everybody, the moon travels round the earth once every month.
A. It
B. As
C. That
D. What

网友回答

A. It
(答案→)B. As
C. That
D. What
解析：考察从句连词选择。根据句子结构可知，该句为非限制性定语从句，从句中缺少is的主语，代指后面的 the moon travels round the earth once every month
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