1 . —Do you have to clean the room every day?
—Yes. But my sister ________.

A．isn’t

B．doesn’t

C．don’t

2 . —Do you have a model plane?
—No, I ________.

A．isn’t

B．aren’t

C．don’t

D．be not

3 . Ι ________ know Miss Green’s Wechat (微信) name.

A．aren’t

B．isn’t

C．don’ t

4 . I like carrots, but my friend Lisa _______.

A．can’t

B．isn’t

C．doesn’t

5 . —Who’s the man in green over there? Is it Mr. Wu?
—No, it ________ be him. Mr. Wu is much fatter.

A．isn’t

B．can’t

C．had better not

D．needn’t

6 . —Is my book on the sofa?
—________. It’s on the bed.

A．No, it isn’t

B．Yes, it’s

C．Yes, it is

D．No, they aren’t

7 . —________ the hall in your school big?
—I don’t think so. It ________ look so big as yours.

A．Is; doesn’t

B．Is; isn’t

C．Does; isn’t

D．Does; doesn’t

8 . —Is this your book?
—________. My book is there.

A．Yes, it is

B．Yes, this is

C．No, it isn’t

D．No, this isn’t

9 . Too much chocolate ________ healthy.

A．are

B．is

C．isn’t

D．aren’t

10 . —________ your father free on Sunday?                    
—No. He ________ have time with us.

A．Is; isn’t

B．Does; isn’t

C．Does; doesn’t

D．Is; doesn’t