3. __________(do)your homework and don’t watch TV.

2. Look at the sign(标志)on the wall! It says “No ___________(talk)!”

1. Can those students _______(have)lunch at home?

5. Dogs like to bark(吠叫)l_________ if there is a stranger(陌生人)。

4. Don’t stay o____________. It’s too cold. Come in!

3. All the students need to keep the school r ________.

2. Mother w________ the clothes of all my family every Sunday.

1. Don’t f_________. You two should be friendly to each other(互相)。

10. Don’t worry! Let me ______ you after _______.

A. help, a class　　 B. help, class　　 C. to help, the class

9. Tom, ______ play games here. Father is sleeping.

A. doesn’t　　 B. can’t　　 C. don’t