This tall building has _______ floors. And Tony lives on the ______ floor.

A. twelve; twelve        B. twelfth; twelfth

C. twelve; twelfth        D. twelfth; twelve

My bicycle doesn’t work. I’ll ask Uncle Wang __________.

A. fix it up             B. to fix up it

C. fix up it       D. to fix it up

—— Would you like ________ camping with me ?

—— I’d like to. But I’m busy ______ my homework.

A. to go ; to do          B. to go; doing

C. going; to do           D. going; doing

—— How does Jack usually go to school?

——  He ________ ride a bike, but now he is used to ______ there.

A. used to; walk            B. was used to; walking

C. was used to; walk       D. used to; walking

You should _______ the bus when it stops.

A. get off       B. cut off

C. take off     D. put off

We really don’t know ________ . Could you help us？

A. how to do             B. what to do

C. to do what           D. to do how

—— I think running is an easy way to keep healthy.

—— __________ , but Bill doesn’t think so.

A. I disagree            B. I agree

C. I’m afraid not       D. I don't think so

Don’t forget _________ your bed after you get up.

A. making       B. to make

C. sweeping       D. to sweep

—— Dad, could I go to a movie?

—— _____________. But don’t stay out late.

A. Yes, you could         B. Yes, you can

C. No, you couldn’t      D. No, you can’t

Most of my friends say that I __________ my mother.

A. look the same    B. look after

C. take after     D. take care