课程 126

Lesson 126: Have to and do not need to 不得不和不必要

本课程包含 2 个练习模块，总共 18 道题目

126

I. Complete the sentences by adding 'have to', 'don't need to' or 'didn't need to'.用 have to, don't need to 或 didn't need to 填空。

例句:

用 have to, don't need to 或 didn't need to 填空。

题目 1:

I buy both books so I bought only one.

题目 2:

We hurry. We are very late.

题目 3:

We hurry. There is plenty of time.

题目 4:

He do any homework last night because he had finished it at school.

题目 5:

You take a taxi. There is a bus coming.

题目 6:

She get up early yesterday because it was a holiday, so she stayed in bed till 10 o'clock.

题目 7:

You stay behind to help me with my work. I can do it by myself.

题目 8:

I take a taxi. I can't wait for a bus.

题目 9:

You write home because you are going home tomorrow.

题目 10:

I buy any new shoes because my mother bought two pairs for me yesterday.

题目 11:

He do any work yesterday because his brother had done it all for him.

题目 12:

You do all the work by yourself. I can help you if you want.

II. Make dialogues, using the cues given according to the example.仿照例句用所给的词编写对话。

例句:

Example: clean the blackboard A: I must clean the blackboard now because I'm on duty today. B: No, you don't need to do it because I'll do it for you. A: Then I shall have to clean it tomorrow. B: No, you won't have to do it then, either, because I'll clean it for you.

题目 1:

问题: clean the blackboard