—Why do you look worried?
—Fred left the company half an hour ago. His work ________ unfinished since.
A．leftB．was leftC．has leftD．has been left
D
受前一句left的影響，易誤選B。題干中的since說明此處應(yīng)用現(xiàn)在完成時態(tài)。從問句中也可看出來，此處強調(diào)動作對現(xiàn)在的影響，故要用現(xiàn)在完成時的被動式。
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

The train ＿＿＿＿＿ at the present speed until it reaches the foot of the mountain at about nine o’clock tonight.
A．wentB．is goingC．goesD．will be going

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Ladies and gentlemen, please fasten your seat belts. The plane _______.
A．takes offB．is taking off
C．has taken offD．took off

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

The chairman’s speech ______ the radio when I turned it on.
A．was broadcast onB．was being broadcast on
C．was broadcasting inD．broadcast over

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

— Why is the librarian looking so hard at me?
— You ____ to read aloud in the reading room
A．don’t supposeB．haven’t supposedC．a(chǎn)re not supposedD．were not supposed

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

—Will you attend the meeting this evening?
—But I ________ told anything about it.
A．wasn’t　　　B．a(chǎn)m notC．haven’t beenD．won’t be

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

—Did you find the missing couple in the mountain yesterday?
—No, but we ________ to get in touch with them ever since.
A．have triedB．have been tryingC．had triedD．had been trying

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

—I hear Jane has gone to the Holy Island for her holiday.
—Oh, how nice! Do you know when she ________?
A．was leavingB．had left
C．has leftD．left

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

They won’t buy any new clothes because they ________ money to buy a new car.
A．saveB．were savingC．have savedD．a(chǎn)re saving

查看答案和解析>>

同步練習(xí)冊答案