The boss ______ the worker how to do it, or the accident couldn’t have happened.

The boss ______ the worker how to do it, or the accident couldn’t have happened.

题型:不详难度:来源:
The boss ______ the worker how to do it, or the accident couldn’t have happened.
A.can’t have toldB.ought to tellC.could have toldD.mustn’t have told

答案
A
解析

试题分析:意为:当时老板不可能告诉工人如何做这件事(是对过去的推测),否则这个事故不可能发生。
在英语中,我们对过去的推测,常使用情态动词(not)+have done 结构,故选 A
点评:情态动词对中国学生来讲是一个难点,而情态动词+have done(表对过去的一种推测)更是一个难点和重点,学生要注意区别。
举一反三
I have promised that my daughter _______ get a new electronic dictionary on her next birthday.
A.shouldB.mustC.shallD.would

题型:不详难度:| 查看答案
I _____thank you too much for all your help to my son while we were away from home.
A.won’tB.can’t C.canD.will

题型:不详难度:| 查看答案
—Jack, _____ you behave yourself? You"re no longer a kid.
—Sorry, Daddy.It won"t happen again.
A.mustn"tB.can"tC.shouldD.would

题型:不详难度:| 查看答案
---Must he remember everything he has learned in the class?
---No, he _____.
A.can’tB.may notC.mustn’tD.needn’t

题型:不详难度:| 查看答案
—Where___________I meet you tomorrow morning ?
—I haven’t decided the place. But I’ll call you soon.
A.wouldB.shall C.mightD.can

题型:不详难度:| 查看答案
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