You have to help me ________.

A. make dinner

B. making dinner

C. making a dinner

D. make a dinner

I ________ do my homework every day.

A. have to

B. must

C. had to

D. has to

?Thanks very much.

?________.

A. Not at all

B. At all

C. Not all

D. Thanks

He came back ________ two weeks.

A. after

B. in

C. at

D. for

?Would you mind watering the flowers for me?

?________. I have to go to the post office.

A. Not at all

B. Never mind

C. No, please

D. Sorry, I can't

Don't forget ________ the lights before you leave the classroom.

A. to turn off

B. to turn on

C. turning off

D. turning on

The book is ________ expensive ________ I can't buy it.

A. too; to

B. very; that

C. too; that

D. so; that

In Sweden, _______ something for someone is a good gift.

A. do

B. doing

C. does

D. did

Everyone ________ that he is the _______ speaker in our school.

A. know; well

B. knows; good

C. knows; well

D. knows; best

Excuse me, sir. You haven't paid ________ it.

A. on

B. about

C. to

D. for