1 . He ________(not go) swimming if Tom doesn't go with him.

2 . 如果你不努力，你是不会成功的。
You ________be successful ________you work hard.

3 . — Mom, It's too hot today. Can I swim in the lake?
— No, you ________. That's too dangerous.

A．needn't

B．won't

C．mustn't

4 . —Don’t draw on the wall, ________?
—Sorry, ________.

A．won’t you; I won’t	B．will you; I will
C．will you; I won’t	D．won’t you; I will

5 . Students will study at home on computers.  (改为否定句)
Students _________ _________ at home on computers.

6 . You won’t win the singing competition if you ________ try your best.

A．aren’t

B．don’t

C．didn’t

D．won’t

7 . —Can you come to my birthday party tomorrow evening?
—I’m afraid I　　　. I have to look after my grandparent.

A．wouldn’t

B．can’t

C．won’t

8 . —Lucy is walking the dog in the park.   
—She _____ be Lucy! She is singing loudly in her room.

A．can't

B．mustn't

C．needn't

D．won't

9 . —Is the tall man Mr. Hunt?
—No. It__________ be him. He has gone to Chengdu.

A．can't

B．needn't

C．mustn’t

D．won’t

10 . The students will visit a fire station. (改为否定句)
The students_______     ________a fire station.