题目内容
—You needn’t take an umbrella.It isn’t going to rain.
—Well，I don’t know.It________do. (2013·北京，35)
| A．might | B．need |
| C．would | D．should |
解析
Why _______ you be so stubborn? You should think over my advice on this matter.
| A．may | B．shall | C．dare | D．must |
What do you mean, there are only ten tickets? There _________ be twelve.
| A．would | B．should | C．will | D．shall |
Alex changed his mind at the last minute，otherwise we ________ an agreement.
| A．should have reached | B．could have reached |
| C．can reach | D．should reach |
If the government takes measures to enrich senior citizens’ social and spiritual life, it ____ help develop a truly harmonious society.
| A．Can | B．must | C．shall | D．should |
—Look，I’ve bought some bread，including your favorite flavor.
—You ________ any because we still have plenty at home.
| A．should have bought |
| B．could have bought |
| C．needn’t have bought |
| D．mustn’t have bought |
—The research on the new flu virus vaccine is challenging and demanding. Who do you think can do the job?
—________ my students have a try?
| A．May | B．Must |
| C．Will | D．Shall |
We all know that we ________ our carbon footprint, but I suspect that many people wouldn't be prepared to go as far as Joan Pick, a retired scientist living in south London.
| A．must have reduced | B．should have reduced |
| C．may have reduced | D．could have reduced |
—Where did you get The Frog written by Mo Yan?
—I picked it up from a bookshop online if you ________ know.
| A．must | B．will |
| C．can | D．shall |