If you _______ jeans, we won't let you in.

A. wears

B. wear

C. will wear

D. wearing

Mr and Mrs Green had a son _______ Tom.

A. call

B. to call

C. calling

D. called

If I become a teacher, I ______ with children.

A. work

B. working

C. will work

D. worked

Don't laugh _______ people when they are in trouble.

A. in

B. to

C. on

D. at

________ he says so, it must be true.

A. Because

B. As

C. For

D. Since

He began to catch up with ________ three runners.

A. the other

B. other

C. others

D. the others

Bill Gates enjoys ________ very much.

A. reads

B. reading

C. to read

D. read

I don't think there's ________ in the room.

A. somebody

B. anyone

C. nobody

D. someone

I want to travel ________ the world.

A. around

B. to

C. of

D. for

Thank you ________ inviting me.

A. for

B. to

C. as

D. of