题目内容：

 

1.Usually before exams, the students ____________ (give) two minutes to write down their names.

2.The teacher warned the boy_________________(not talk) in class.

3.It’s necessary for everyone _____________ (obey) traffic rules.

4.If you make a serious mistake, you will ___________ (punish).

5.If you have any trouble________________(read) these words, you can ask for help.