根据句意及首字母提示完成句子。
1. We must look out for cars and bikes when we c______________ the road.
2. Look at the classroom r________________. We m______________ eat or drink in the classroom.
3. To keep s________________, we should find a zebra crossing.
4. Many animals are coming. Please stop and w________________ here.
5. Tim is good at drawing. He can draw the trees e________________.
6. Boys and girls, please f______________ me and read the new story.

一、1. cross 2. rules; mustn't 3. safe
4. wait 5. easily 6. follow

用所给单词的适当形式填空。
1. What should you __________ (do) in the library?
2. Do you want __________ (see) your uncle?
3. You mustn’t __________ (play) football on the road.
4. You should be __________ (care) on the road.
5. The red light __________ (mean) we can’t cross the road.

二、1. do 2. to see 3. play 4. careful
5. means

(　　　)1. Swimming in the deep river is not ________.
A. safe B. safety C. safely

三、1. A

(　　　)2. You ________ watch TV. You ________ go to bed now. It’s too late.
A. can; must B. can’t; must C. must; can

三、2. B

(　　　)3. ________, Mike. Is that Mr Green?
A. Look at B. Look left C. Wait for

三、3. B

(　　　)4. You ________ watch TV after finishing your homework.
A. can B. should C. must

三、4. A

(　　　)5. In ________, people drive on the left side of the road.
A. the United Kingdom B. the US C. Beijing

三、5. A

看图，完成对话，每空一词。
A: What 1. ____________ you do to walk on the road 2. ____________?
B: We must 3. ____________ on the pavement and
　　　　　　　　　　　　　　　　　　　　　　　　　　　　 　　　　　
4. ____________ 5. ____________ for cars.
A: What must you not do?
B: We 6. ____________ run or play on the road.
A: Why?
B: 7. ____________ there are too many cars and bikes. On the road, we should 8. ____________ the rules.

四、1. must 2. safely 3. wait 4. look
5. out 6. mustn't 7. Because
8. follow