The World Wide Web is sometimes jokingly called the World Wide Wait because it _
题型：不详难度：来源：
The World Wide Web is sometimes jokingly called the World Wide Wait because it ______ be very slow. | A．should | B．must | C．will | D．can |
|
答案
| D |
解析
| 本题考查情态动词的用法。A项，“应该”；B项，“必须”或表示推测“一定”；C项可表示将来，作情态动词表示意愿；D项can表推测且用于肯定句时表“有时也可能”。句意：万维网有时被打趣地叫成“长等网”，因为网速有时会很慢。D项是完成句意的最佳选项。 |
举一反三
| Helen ______ go on the trip with us, but she isn’t quite sure yet. |
— The woman biologist stayed in Africa studying wild animals for 13 years before she returned.
— Oh, dear ! She ______ a lot of difficulties !| A．may go through | B．might go through | | C．ought to have gone through | D．must have gone through |
|
He paid for a seat, when he ______ have entered free. | A．could | B．would | C．must | D．need |
|
This cake is very sweet. You _____ a lot of sugar in it. | A．should put | B．could have put | C．might put | D．must have put |
|
— Do you know where David is ? I couldn’t find him anywhere.
— Well. He ______ have gone far –his coat’s still here. | A．shouldn’t | B．mustn’t | C．can’t | D．wouldn’t |
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