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 have no idea what _____ while I was asleep.
A.has happenedB.could happenC.had happenedD.happened
D

試題分析:考查動詞時態(tài)。從語境可知發(fā)生的事情應該是在說話人睡覺期間,應該用一般過去時,而C選項過去完成時需有過去的時間或過去的動作做對照才可以使用, B選項表示將來可能發(fā)生,不合句意,故D選項正確。句意:我不知道當我睡著的時候發(fā)生了什么事情。
練習冊系列答案
相關習題

科目:高中英語 來源:不詳 題型:單選題

Professor White, along with his wife and children, ________ London for Paris tomorrow.
A.a(chǎn)re leavingB.is leavingC.has leftD.have left

查看答案和解析>>

科目:高中英語 來源:不詳 題型:單選題

--Jack! I have left my key to the office at home.
-- Don’t worry. I _________ it for you. Wait a minute.
A.getB.a(chǎn)m going to getC.will getD.a(chǎn)m getting

查看答案和解析>>

科目:高中英語 來源:不詳 題型:單選題

He said he _________ his work, and then we needed to wait for him for a little while.
A.just finishedB.was just finishingC.had just finishedD.was just finished

查看答案和解析>>

科目:高中英語 來源:不詳 題型:單選題

Hello, Tom. What a coincidence! I ______ about you. And here you are.
A.was just thinking B.just thoughtC.have just thoughtD.would just think

查看答案和解析>>

科目:高中英語 來源:不詳 題型:單選題

When I first met Mary I didn’t like her, but I ________ my mind.
A.have changedB.changeC.had changedD.would change

查看答案和解析>>

科目:高中英語 來源:不詳 題型:單選題

This is the second time that you ______ the Summer Palace.
A.visitedB.have visitedC.had visitedD.a(chǎn)re visiting

查看答案和解析>>

科目:高中英語 來源:不詳 題型:單選題

It’s great that all the visitors who _______ on the island were saved.
A.trappedB.have been trappedC.had trappedD.had been trapped

查看答案和解析>>

科目:高中英語 來源:不詳 題型:單選題

When Mary came, I _____ on the piano.
A.is playingB.playsC.was playingD.played

查看答案和解析>>

同步練習冊答案