精英家教網 > 高中英語 > 題目詳情
In the last ten years, they _______ three great scientific experiments.
A．finishedB．have finishedC．had finishedD．have been finished
B
"in the last / past..." "在過去的......時間里"常用于現(xiàn)在完成時。
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

--- Excuse me, I was told I could find Professor Li here.
--- And you ______. Anything I can do for you?
A． haveB． hadC． didD． do

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

—You look tired.  
—Yes. I _____ non-stop until twelve o’clock.   
A．hasn’t been workingB．wasn’t workingC．was workingD．didn’t work

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

——What’s that noise?
——Oh, I forgot to tell you. The new machine ______.
A．was testedB．will be testedC．is being testedD．has been tested

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

--Was the driving pleasant when you vocationed in Mexico last summer?
----No, it ___ for four days when we arrived, so that the roads were very muddy.
A．was rainingB．had been rainingC．would be rainingD．have rained

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

The old man ___ all his money.
A．robbed ofB．was robbed ofC．robbedD．was robbed

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

While you were in London that year,the London Bridge______.
A．was being repaired　　　　B．had been repaired
C．would be repaired　　　　D．was repaired

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

What do you think the children______when we get home?
A．will do　　　　B．are going to do
C．will be doing　　　　D．are doing

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

—Seems you are quite familiar with Russia.
—That is because I _________ the country in 1999.
A．have visitedB．was visitingC．had visited D．visited

查看答案和解析>>

同步練習冊答案