The teacher said, “Boys and girls, you ________ to meet for the film at the cinema gate at 7∶05．Please be there on time．”

A.should

B.must

C.are supposed

D.are wanted

答案及解析： C

解析：

be supposed to do此处理解为“应当”，相当于should，但should后面应跟动词原形，所以选项A不对。