题目内容
He ______ sleep, although he tried to, when he got on such a hunt for an idea until he had caught it.
| A．wouldn’t | B．shouldn’t | C．couldn’t | D．mustn’t |
C
解析试题分析：考查情态动词：句意：当他寻找自己一直想找的主意的时候，虽然他努力了，但是他睡不着，。A. wouldn’t不愿，B. shouldn’t不应该，C. couldn’t 不能，D. mustn’t禁止。选C。
考点：考查情态动词
It __ be the vocabulary that caused you the problem in the exercise because you know a lot of words.
| A．may | B．couldn’t | C．should | D．needn’t |
One of our rules is that every student wear the school uniform while at school.
| A．might | B．could | C．shall | D．will |
— Is Jack on duty today?
— It ________ be him. It's his turn tomorrow.
| A．mustn't | B．won't | C．can't | D．needn't |
It_____ years ago when the incident took place, and I nearly forget it.
| A．would have been | B．should have been |
| C．ought to have been | D．must have been |
According to the traffic rules, you _________ wear the safe belt while you are driving.
| A．can | B．need | C．may | D．shall |
Because the shop ______, all the T-shirts are sold at half price.
| A．has closed down | B．closed down |
| C．is closing down | D．had closed down |
He ________ to the cinema last night, for he stayed with me.
| A．mustn’t go | B．shouldn’t have gone | C．could not go | D．couldn’t have gone |
______ I have a quick word with you? Something important has happened.
| A．Must | B．Could | C．Would | D．Should |