1 . There is much work to do, so we’ll have to (分) it between us.

2 . I’m afraid I can’t go out to play with you. I h________ to finish my homework. (根据首字母单词拼写)

3 . 你不必为他担忧，他会照顾自己的。

4 . 你没有必要告诉她所发生的事情，她已经知道了。

5 . You ________ take photos of people in Egypt without first asking for permission.

A．mustn’t

B．needn’t

C．don’t have to

D．wouldn’t

6 . 我要想通过考试，必须埋头学习。
I shall have to ____________ ____________ ____________ my studies if I am to pass the exam.

7 . It bothers many people that they have to ________ (投票) for their acquaintances and friends. (根据汉语提示单词拼写）

8 . They had to a________ their attempt to climb the mountain due to the bad weather.

9 . His parents died when he was 17,so he had to________ (谋生)on his own. （根据汉语提示完成句子）

10 . 我不得不打的去上班，因为这几天我的车正在被修。