问题

I didn’t hear the telephone. I _______ asleep.[ ]

A: must be
B: must have fallen
C: would have been
D: should have fallen

正确答案是：

同类题型

This song reminds me ______an experience I once had in the countryside.

________ those who were not listening the first time, I will repeat the question.[ ]

Wherever she is sad, her parents can always______.

________information_________stored in this computer.[ ]

I only had ________ egg ad some milk for breakfast today.