【即学即练】翻译下面句子。

1. 以前她经常在回家的路上买一块蛋糕。

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2. 我过去不经常看电影，但现在我每周都去一次电影院。

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3. 他已经变得习惯于自己照顾自己了。

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答案

【即学即练】

1. She used to / would buy a piece of cake on her way home.

2. I didn't used to / usedn't to see films, but now I go to the cinema once every week.

3. He has got used to looking after himself.

冠词

冠词分为三种：不定冠词、定冠词和零冠词。下面我们总结一下冠词的主要用法。

★不定冠词a / an，多表示泛指。

1. 与单数可数名词连用，表示某一类人或物；亦可泛指某类人或物中的"任何一个"。如：

A child needs love.

A tiger can be very dangerous.

2. 用在抽象名词或物质名词前，表示"一种，一类"等意义。如：

It is a pity that you didn't attend the lecture.

It's a wonderful tea.

3. 用在序数词前，表示"再一，又一"。 如：

We have put forward a third plan.

4. 用在专有名词前，相当于"一位，一个，某位，某个"。如：

A Mr. Smith wants to see you.