an后面加什么形式

回答
爱扬教育

2022-03-04

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an后面加名词单数,且这个名词的读音必须是元音;
在特定情况下,a(或an)可以用在复数形式前面;
习语中有a few(books),a great many(books)等表示方法;
例句:
I always rest for an hour after dinner.
晚饭后,我总要休息一小时。

扩展资料

  An accurate diagnosis was made after a series of tests.

  准确的诊断是在一系列的检查后作出的。

  I think you have made an error in calculating the total.

  我想你在计算总数时出了差错。

  We put an ad in the local paper.

  我们在当地报纸上登了一则广告。

  The government's policy is an open door to disaster.

  政府的政策为灾难敞开了大门。

  This door should only be used in an emergency.

  这道门只能在紧急情况下使用。

  He's an expert at getting his own way.

  他在如何达到自己的目的方面很在行。