问题

Mr. Smith has promised that all of us will pass the exam, so it ____ so difficult as you imagine.

A:can’t have been
B:can’t be
C:mustn’t have been
D:mustn’t be

正确答案是：

同类题型

(江苏省南通市2009期末调研)I don’t think that your lecture _______ the audience, for they appeared quite puzzled.

i, Kathy We’re going to have aparty this Saturday Will you come — __________ What time

The young lady，seveal attempts to fix her cell phone，decided to have another try

Haven’t I told you that you should be home earlier? — Yes, but I home earlier than I usually do

80 Poets often _________ spring to hope;autumn to harvest