----- Mary looks very upset. She _______ failed to pass the exam. ----- I guess
题型：不详难度：来源：
----- Mary looks very upset. She _______ failed to pass the exam.
----- I guess so. It"s very difficult after all.
A must have B could have C should have D might have |
答案
| A |
解析
| 本题考查情态动词的用法。句意：玛丽看起来很沮丧。她一定没有通过考试。must have done过去一定做过某事。 |
举一反三
He _____ be really difficult at times even though he ,generally speaking, is a nice person.| A．can | B．should | C．shall | D．must |
|
My brother is honest. He _____ such a thing.| A．might not do | B．can’t have done | C．can do | D．mustn’t have done |
|
-----Who ______ it be that hasn’t handed it in yesterday?
------It _______ be Bob. He handed it in yesterday.| A．can; mustn’t | B．must; can | C．can; can’t | D．may; mustn’t |
|
| The boy be very naughty, but he is very lovely. |
—I’m sorry. I ________ at you the other day.
— Forget it. I was a bit out of control myself. | A．shouldn’t shout | B．shouldn’t have shouted | | C．mustn’t shout | D．mustn’t haven’t shouted |
|
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