—______ do you write to your pen friend?
—Once a week.
A. How long B. How soon C. How often
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 |