学帮网求教一道英语单选题21. American students go to school five days ______. A. every week B.the week C. in a week D. a week我知道是选D,但是我想要一个详细的解答.
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求教一道英语单选题
21. American students go to school five days ______.
A. every week B.the week C. in a week D. a week
我知道是选D,但是我想要一个详细的解答.
这是固定用法,如two hours a day
应该选D
go to school five days a week 表示一星期上学
5天
望采纳O(∩_∩)O~
American students go to school five days a week.
【译文】美国学生一周里面有五天去学校上课。