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
You get a new bicycle as a reward for doing well in the following final exam.
A．must B．will C．shall D．should
When we worked in the same firm several years ago, we _____ often go to the cinema together.
A．would B．will C．shall D．could
—Mum, would you please buy me a MP5 player?
—If you can help do the dishes the whole vacation，you have one as a reward•
A．must B．need C．would D．shall
