题目内容
Even students of average intelligence ________ become top students by improving their study habits.
| A．must | B．can |
| C．have to | D．ought to |
解析
阅读快车系列答案I went there in 1984, and that was the merely occasion when I ________ the journey in exactly two days.
| A．must take | B．must have made | C．was able to make | D．could take |
--Has Mr. White arrived, Tom?
--Yes, sir. _____ he come in to see you right now?
| A．Shall | B．May | C．Can | D．Must |
We ________ jump to conclusions before we have all the facts.
| A．couldn't | B．mightn't | C．shouldn't | D．mustn't |
I’m as busy as a bee；________ you bother me with so many questions now?
| A．may | B．must |
| C．can | D．shall |
No one________ be more generous；he has a heart of gold. (2013·天津，9)
| A．could | B．must |
| C．dare | D．need |
—Jenny took the 8： 00 bus to Guangzhou this morning.
—Really? She ________ the 9：00 train. It's much more comfortable and safer to travel by train.
| A．could have taken | B．should take |
| C．must have taken | D．can take |
Since nobody gave him any help，he ________ have done the research on his own.
(2013·大纲全国，26)
| A．can | B．must |
| C．would | D．need |
—David is often absent from class.
—Tell him he ________ answer for it if he goes on behaving like that.
| A．shall | B．might |
| C．would | D．can |