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(yīng)該是在說話人睡覺期間，應(yīng)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(dāng)我睡著的時候發(fā)生了什么事情。
練習(xí)冊系列答案
相關(guān)習(xí)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(xí)冊答案