They will lose the game ______they try their best.

A. unless B. when C. since D. after

The food in the small restaurant smells good, but I don’t know how it ________.

A. sounds B. tastes C. feels D. looks

—Must I finish the work today, mom ?

—No, you ______.You can finish it tomorrow.

A.mustn’t B. can’t C. shouldn’t D. needn’t

Although I failed four times, my father encouraged me to have a ______try.

A. second B. third C. fourth D. fifth

Do you know when the basketball_________?

A. is invented B. was invented C. has invented D. had invented

He used to _______in the sun ,but now he is used to ______at night.

A.read;read B.reading;read C.read; reading D.reading; reading

The English-Chinese dictionary ____my father bought for me many years ago is so useful.

A. whose B. who C. that D. what

After supper，I often go for a walk ______the river near my house.

A. on B. along C. in D. with

— Could you please tell me _______you will visit the museum?

— The day after tomorrow , I think .

A. how B. why C. when D. where

—Would you mind my smoking here?

— ______.Look at the sign . It says “No smoking.”

A. You’d better not B. No, go ahead. C. It doesn’t matter. D. Not at all.