问题
My bicycle is nowhere to be found. Who ___ have been using it?
A:should
B:must
C:could
D:might
B:must
C:could
D:might
正确答案是：
同类题型
This is one of the most interesting film ___ we’ve ever seen.
The patient is not out of danger. He is ________ than he was yesterday.
“Where have you been” — “I got caught in traffic; otherwise_____ sooner.”
My father has a habit of jogging ________ theDongcheng River for an hour in the evening.
Your English is very good. Who taught English-Nobody.I learned it by .