题目内容
Tom’s score on the test is the highest in the class. He _____.
| A．should study last night | B．should have studied last night |
| C．must have studied last night | D．must study last night |
C
解析试题分析：句意：汤姆的考试成绩是班级最高的，他昨晚一定是学习了。因为是对昨晚事情的推测，所以用情态动词+have done，排除AD，should have done本应该做却没有做，must have done过去一定做了，符合句意，所以选C。
考点：考查情态动词表示推测的用法
One of our rules is that every student ______ wear school uniform while at school.
| A．might | B．could | C．shall | D．will |
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——I guess so. It’s not difficult after all.
| A．should | B．could | C．must | D．might |
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| A．needn’t do | B．needn’t have done |
| C．mustn’t do | D．shouldn’t have done |
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| A．should | B．must |
| C．can | D．will |
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| A．need | B．can | C．must | D．would |
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| A．might have failed | B．could have failed |
| C．should have failed | D．must have failed |
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| A．don't have to | B．oughtn't to |
| C．mustn't | D．can't |
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| A．would | B．should | C．might | D．could |