精英家教网 > 高中英语 > 题目详情
It ________ have been her to leave her child alone and do whatever she wanted. She isn't such a person.
A.couldn't B.mustn't
C.mightn't D.wouldn't
A
考查情态动词。根据语意可知,此处表示对过去情况的否定推测,表示“不可能”,故选A。
练习册系列答案
相关习题

科目:高中英语 来源:不详 题型:单选题

(2013·江苏南通市二模)We ________ have hurried all the way to the airport — the flight was called off because of the foggy weather.
A.mustn'tB.couldn't
C.needn't D.wouldn't

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

In general,she is devoted to her studies,but she________be little naughty at times.
A.willB.canC.shouldD.would

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

—Is John coming by train.
—He should,but he ________ not.He likes driving his car.
A.mustB.canC.needD.may

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

—Are you coming to Jeff's party?
—I'm not sure.I ________ go to the concert instead.
A.mustB.wouldC.shouldD.might

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

Mountain climbing ______ be really dangerous at times even though it is challenging and exciting in general.
A.canB.shouldC.shallD.must

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

The door _______ open, no matter how hard she pushed.
A.shouldn‘tB.couldn't C.wouldn't D.mightn't

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

-1 hear you've got a set of valuable coins.___________ I have a look?
-Yes, certainly.
A.WillB.MayC.ShallD.Should

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

Mr. Bush is on time for everything. How ____ it be that he was late for the important meeting?
A.canB.shouldC.mayD.must

查看答案和解析>>

同步练习册答案