Students ______ remain in their seats until all the exam papers have been colle
题型：不详难度：来源：
| Students ______ remain in their seats until all the exam papers have been collected. |
答案
| B |
解析
| 考查情态动词shall的用法。Shall用于二三人称时表示一种语气，如命令、允诺、规定、警告等等。句意：学生们要保持坐在自己的座位上直到所有的试卷被收齐。Shall在这里表示一种规定。所以选B。 |
举一反三
If you ______ succeed, you will have to work hard. | A．are about to | B．are going to | C．will | D．are to |
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He has no idea what the book is about．He have read it very carefully．| A．needn’t | B．shouldn’t | C．can’t | D．mustn’t |
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—Where on earth have they gone?
—I have no idea, but I wish I .| A．know | B．knew | C．would know | D．would have known |
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It is very important that you _______ for this examination.| A．get yourself prepared | B．must get yourself preparing | | C．should get yourself prepare | D．could get yourself prepared |
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He knows it is high time that he ________ at once.| A．quits smoking | B．quitted smoking | | C．should quit to smoke | D．quitted to smoke |
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