Having ________ exercise every day will do great good to your health.
A. a lot B. a number of C. too much D. plenty of
— I’m new in Wuxi.
— Take a map of Wuxi with you. You’ll find it of great ________ in helping you to get round Wuxi.
A. price B. cost C. interest D. importance
Look at the sign! It says “No Smoking!” You ________ smoke here. It’s dangerous.
A. mustn’t B. ought not to C. needn’t D. don’t have to
Boris has brain. In fact, I don’t think that anyone in the class has ________ IQ.
A. a high B. a higher C. the higher D. the highest
— What do you think of the young lady?
— She is hard-working. She ________ all her effort into her work before she got ill.
A. has put B. put C. had put D. would put
The cost of living in Chengdu is among the lowest in China, ________ the quality of life is probably one of the highest.
A. since B. when C. as D. while
