— I have some more cake?— No I’m afraid you can’t. A. MustB. CanC. ShouldD. Need

问题补充：

— I have some more cake?

— No, I’m afraid you can’t.

A. Must

B. Can

C. Should

D. Need

答案：

A. Must

(答案→)B. Can

C. Should

D. Need

解析：句意：我可以吃一些蛋糕吗？不行，恐怕你不能吃。A必须B能C应该D需要。根据句意，故选B。