-- I’m exhausted. I _____ on a project day and night.-- You’d better have severa

-- I’m exhausted. I _____ on a project day and night.-- You’d better have severa

题型:不详难度:来源:
-- I’m exhausted. I _____ on a project day and night.
-- You’d better have several days off after finishing it. Otherwise you might break down.
A.workedB.have worked
C.workD.have been working

答案
D
解析

试题分析:考查时态:句意:--我很累,我整天都在忙着这个计划。-结束后你最好休息几天,否则你会垮掉的。说明做这个项目是从过去到现在说话的时候一直进行的,有可能还要继续,用现在完成进行时,A是一般过去式,表示纯粹的过去的动作,B是现在完成时,表示过去的动作对现在的影响,C是一般现在时,表示一贯的行为,所以选D。
举一反三
—Mary, are you sure your aunt ___ back from America?
—Yes. My mother ___ me. I am going to see her now.
A.has come; toldB.came; had told
C.had come; tellsD.is coming; has told

题型:不详难度:| 查看答案
If you _________ reading that book, take it back to the library.
A.have finishedB.will finishC.finishedD.are finishing

题型:不详难度:| 查看答案
He _________in the early morning so he packed everything he needed the night before.
A.leavesB.had leftC.was leavingD.has left

题型:不详难度:| 查看答案
Years ago we didn"t know this, but recent science study ________that people who don"t sleep well soon get ill.
A.showedB.will showC.has shownD.is showing

题型:不详难度:| 查看答案
Many parents __________ challenging conversations with their children later this month to help them recover from the panic.
A.have hadB.will be havingC.haveD.will have had

题型:不详难度:| 查看答案
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