欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

I didn’t see her in the meeting room this morning. She ______ have spoken at the meeting.
A.mustn’tB.shouldn’t
C.needn’tD.couldn’t
D
couldn’t have done sth 表示對過去情
況進行推測,意為“過去不可能發(fā)生過某情況”。
練習冊系列答案
相關(guān)習題

科目:高中英語 來源:不詳 題型:單選題

—Why are most of us unable to study English well,Mr.Li?
—You ______.But you ______ too little attention to it.
A.could;payB.will;attach
C.would;referD.can;devote

查看答案和解析>>

科目:高中英語 來源:不詳 題型:單選題

 If he ___ that he ____ to work there, everything would be OK now.
A.insisted, be sentB.insisted, was sentC.had insisted, be sentD.had insisted, was sent

查看答案和解析>>

科目:高中英語 來源:不詳 題型:單選題

 —Is there a fog in the evening ?
—There _____ be . I’ll make a phone call to find it out .
A.must B.would C.willD.might

查看答案和解析>>

科目:高中英語 來源:不詳 題型:單選題

“Look at these tracks. It _______ be a wolf.” “Don’t be so sure. I think it _______ be a fox.”
A.must; couldB.may; might
C.need; mustD.could; need

查看答案和解析>>

科目:高中英語 來源:不詳 題型:單選題

.I didn’t see Mr White at the meeting ._____ he come, he would have given a lecture.
A.WouldB.DidC.ShouldD.Had

查看答案和解析>>

科目:高中英語 來源:不詳 題型:單選題

. — She looks very happy. She __________ have passed the exam.
— I guess so. It’s not difficult after all.
A.shouldB.could
C.mustD.might

查看答案和解析>>

科目:高中英語 來源:不詳 題型:單選題

You _____ practise the drums while the baby is sleeping.
A.needn’tB.mightn’t
C.mustn’tD.won’t

查看答案和解析>>

科目:高中英語 來源:不詳 題型:單選題

---Where will you start your work after graduation?
---Mmm, it's not been decided yet. I ____ continue my study for a higher degree.
A.needB.mustC.wouldD.might

查看答案和解析>>

同步練習冊答案