句型转换。
1. Don't listen to the music in the classroom.(改为肯定句)
    _____ _____ the music in the classroom.
2. Can you please put your backpack on the desk?(改为祈使句)
   _____ your backpack on the desk, please.
3. We can get to the park at 8:00 a.m.(改为否定句)
    We _____ _____to the park at 8:00 a.m.
4. They have to be in bed by 10:00.(用he替换they)
    He _____ _____ be in be bed by 10:00.
5. His father is often late for work.(改为同义句)
    His father _____ _____ late for work.

Let me _____ it. 　　

_____ late again, Lin Tao!

Let's ______ breakfast.

_______ smoke here, dad. Smoking has been banned in public places.

单项选择。

按要求改写句子。

— _____ to turn off all lights before you leave the office.        
—I won't forget, Ms Si.            

Let's go and _______ football.

     open the windows , please. It's cold outside.