1.What __ would happen if the director knew you felt that wa

1.What __ would happen if the director knew you felt that way?
A.will you suppose
B.you suppose
C.do you suppose
D.you would suppose
2.May I sit beside you ,sir?
No,you ___ .My girlfriend is coming soon
A.can't B.mustn't C.needn't D.shouldn't
3.Do you still remember when we go to the Great Wall
I can't remember it well,but ___ it have been sometimes last May?
A.could B.should C.must D.would
4.John,look at the time ,___ you play the piano at such a late hour?
A.must B.can C.may D.need
5.Some of the pilot's job___ be boring and pilots often ___ work at inconvient hours
A.can;have to B.may;can C.have to;may D.ought to;must
答案依此为CAAAA,希望大哥们开导开导~感激不尽(小弟弟很喜欢英语,可以的话做个朋友吖)