You cant see the now for they are having a meeting at the moment.A. editor-in-chiefsB. by

发布时间：2020-08-17 14:45:44

You can't see the     now for they are having a meeting at the moment.
A. editor-in-chiefs
B. by an hour
C. by hour
D. each hour

网友回答

A. editor-in-chiefs
B. by an hour
(答案→)C. by hour
D. each hour
解析：复合名词的复数形式．s要加在中心词上，因此C为正确答案。
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