题目内容
3.We go to the school library once ________ week.( )| A. | a | B. | an | C. | the |
分析 我们一周去一次学校图书馆.
解答 答案:A
此题考查冠词的用法.联系语境,根据关键部分once ________ week可知这里应运用固定短语once a week,表频率,意为"一周一次".故选A.
点评 完成此题最关键的是抓住固定短语的用法,利用固定搭配便可快速得出正确答案.
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