—You should try your best him.

A. on smoking; to prevent B. to smoke; preventing

C. smoking; prevent D. smoke; to prevent

【题目】—I want to eat bread. Do you have any bread?
—Yes. ____________.
A.Here you are
B.I don't have it
C.I'll take it

【题目】—__________ are these books?
—20 yuan for one.
A.What color
B.How
C.How much

----It's too expensive.I can't ________ it.

A. sell B. lend C. keep D. afford

A. when did Amy leave here B. how long Millie has been married

C. whether the earth was round or not D. how old is Mr. Wu

A.that B. it C. this D. both A and B

【题目】Anna doesn't __________ an uncle. She _________ an aunt.
A.have, have
B.have, has
C.has, has

----__________ sharing your worries with your parents?

A. Why don't you B. How about

C. Why not D. Would you like