新概念英语1课文原文：Lesson 126 Have to and do not need to 不

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新概念英语1课文原文：Lesson 126 Have to and do not need to 不得不和不必要

New words and expressions 生词和短语

immediately /i'mi:diətli/ adv.立即地

Written exercises 书面练习

A Write questions and answers.

抄写以下句子，然后提问并写出相应的否定句。

Examples：

You have to leave early.

Do you have to leave early?

You don't have to leave early.

She must leave early.

Must she leave early?

She needn't leave early.

1 She has to decide immediately.

2 She must decide immediately.

3 We have to take a taxi.

4 We must take a taxi.

B Answer these questions.

用have to或has to回答问题。

Example：

I must go now. What about you?

I have to go, too.

1 I must telephone him. What about you?

2 I must wait for him. What about Mary?

3 I must meet her. What about Jim?

4 I must travel by ship. What about Tom and Mary?

C Write questions.

模仿例句改写提问。

Example：

I must go now.

Do you really have to go now?

1 I must telephone him.

2 Mary must wait for him.

3 Jim must meet her.

4 Tom and Mary must travel by ship.

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