In our class, the student leaders are on duty every few days.A. the; a B. a; theC. a; aD

发布时间：2020-08-17 00:14:21

In our class, the student leaders are on      duty every      few days.
A. the; a
B. a; the
C. a; a
D. 不填; 不填

网友回答

A. the; a
B. a; the
C. a; a
(答案→)D. 不填; 不填
解析：考查冠词固定词组。On duty值日；every few days每几天；句意：在我们班级里，班长每几天就值日一次。故D正确。
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