问题

Do we have to hand in our research reports this afternoon, Professor Smith?— Yes, you _______ . I will be waiting to check them all the afternoon.

A:should
B:may
C:can
D:must

正确答案是：

同类题型

What a pity! Considering his ability and experience,he ____ have done better.

The lucky fans will be picked out________ rather thanchosenbeforehandto perform with the singer during the party.[ ]

_____ classes are there in your school –Thirty.

The possibility of peace talks between the two sides ______ whether the demands of various aspects can be met.

The person we talked about ____ our school last week