题目内容
You __________be tired—you’ve only been working for an hour.
| A．must not | B．won’t | C．can’t | D．may not |
C
解析试题分析：考查情态动词。根据you've only been working for an hour,可以推断出前面这句话的意思是：你不可能累的。显然这里也是考查情态动词表示推测的用法，表示“不可能”，应该用can't. may, must表示推测时，只能用在肯定句中。句意：你不可能累的——你就工作了一个小时。故C正确。
考点：考查情态动词
— It’s no easy task to catch a ticket on a website that receives 1 billion clicks daily.
—I can’t agree with you more. There ________ be errors for every single step.
| A．should | B．must | C．will | D．can |
Malaysia Airlines Flight 370 ___________ course and turned back toward Kuala Lumpur -- but there were no indications from the pilot that he was doing so.
| A．must have changed | B．could have changed |
| C．might have changed | D．should have changed. |
---who______it be that is knocking at the door?
---It_______be Father, but I’m not sure.
| A．can, must | B．can, may | C．must, can | D．may, must |
She was greatly shocked at the scene before her eyes. Never did she expect that the local conditions ______ be so awful.
| A．could | B．should | C．would | D．might |
I ______________ have passed my examination easily，but I made too many stupid mistakes．
| A．must | B．will | C．shall | D．could |
(2014·江苏四校第四次考试)It’s said that there are a large variety of coats in the store.It________be easy for you to find a suitable one.
| A．can | B．need |
| C．shall | D．should |
Mark was afraid of being scolded，so he________say what he thought to his parents.
| A．dare not to | B．doesn't dare to |
| C．dared not to | D．didn't dare to |
—Show me your permit, please.
—Oh, it's not in my pocket. It ________.
| A．must have fallen out | B．might fall out |
| C．could fall out | D．should have fallen out |