The teacher speaks very loudly ____ all the students can hear her.
A. so that B. Because C. since
-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