September 30 is the day which you must pay your bill.A. by B. for C. with D. in 题目和参考答案——青夏教育精英家教网—

题目内容

September 30 is the day_______which you must pay your bill.

A. by B. for C. with D. in

【解析】

试题分析：考查介词的用法。句意：9月30日是你必须付账单的最后期限。此处by意为：截止到……日期。根据句意选A。

【知识拓展】by的用法

by表“时间”时，意为“在……之前，不迟于”，多与过去完成时或将来完成时连用。

Will you please finish the work by Friday? 请你星期五之前完成这项工作，好吗？

The train had left by the time we got to the station. 我们到达车站时，火车已离开。

By the time the letter reaches you l will have left the country．到你收到这封信的时候，我已离开这个国家。

★by可表示“方式、手段”，意为“借、靠”，后接动名词。

What do you mean by saying that? 你那话是什么意思？

★by可表示“程度或增减的幅度”。

The bullet missed him by two inches.子弹差一点点打中他。

★by可表“单位”，意为“按；以……计；依据”，此时，by之后表单位的名词通常加the。

I am paid by the hour．我是按小时拿工资的。

考点：考查介词的用法。

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