校有校规，家有家规。在你家里，你有哪些不得不做的事情呢？用“have to”告诉我们吧。如：我必须十点钟前睡觉。—I have to go to bed before 10:00.

尝试:根据汉语意思完成英文句子，一空一词。我放学之后必须做我的作业。

I              do my homework               .

我必须帮助我妈妈做早饭。

I                     my mother               .

 补全对话。从方框中选择恰当的句子完成对话，其中有两个选项是多余的。

A： Are you a new student?

B： Yes,I am. This is my first day at school. Do we have any rules at school?

A： Yes,of course. We have many rules.

B： (11)          .

A: Well,we can’t arrive late for school.

B： When must we get to school?

A: At eight o’clock in the morning and half past two in the afternoon.

B: What other things can’t we do?

A： (12)         

B： (13)         

A： We can eat in the dining hall.

B： Can we listen to music in the classroom?

A： (14)         

B： (15)         

A： Because the teachers think it's bad for our study.

   A. Why?

   B. No,we can’t either.

   C. We can’t eat in the classroom.

   D. What are some of the rules at our school?

   E. No,we don't.

   F. Can we eat in the dining hall?

   G. Where can we eat?

(   ) 10. —        We are in the library. We have to be quiet.

—Vm sorry for that.

   A. Don’t talk. B. Please be on time.

   C. Don’t be late for class. D. Don’t wear a hat.

(   ) 9. —        we wear a hat in class?

—No,we can’t.

   A. Can   B. Do   C. Does   D. Are

(   ) 8. Tom ,        eat in class!You        eat in the dining hall.

   A. can’t,can   B. don't,have to

   C. can’t,have to   D. don't have to,must

(   ) 7. —Must me wear a uniform at school?

—No,we         . We can wear other clothes.

   A. must   B. can   C. don't have to   D. don't

(   ) 6. —Can we eat in the classroom?

—         , but we can eat in the dining hall.

   A. Thank you   B. I'm sorry   C. Yes,we can   D. No,we can’t

1. wear a uniform          2. in class          3. wear a hat          4. in the dining hall          5. in the hallways        

15. there,lot,school,of ,rules,in ,are,a,our (.)

14. to,have,be, the,library,do, we,quiet,in (?)