Every year, _____ people go to visit their factory.
A．a thousand of B．thousands
C．thousand of D．thousands of
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
