－I have a pain in my back. － _____ . You’d better see a doctor.
A. I’m sorry to hear that
B. Nothing serious
C. It doesn’t matter
I____ hate the life of the countryside, but now I ____ living there.
A.is used to, used to
B. used to, was used to
C. used to, am used to
What’s ____ with you?
A. trouble B. the matter C. the wrong
The children___ play football on the road.
A．can't B．can
C．mustn't D．must
—I wonder if I ________ smoke here.
—No，you ________.You see,there is a “NO SMOKING”sign here.
A．may；needn't B．must；can't
C．shall；won't D．can；mustn't
The young man has made so much noise that he________not have been allowed to attend the concert.
A．could B．must
C．should D．need
