They____on the program for almost one month before l was arranged to help them.

They____on the program for almost one month before l was arranged to help them.

题型:不详难度:来源:
They____on the program for almost one month before l was arranged to help them. Now, we____on it as no result has come out.
A.had been working: are still working
B.had worked; were still working
C.have been working; have worked
D.have worked; are still working

答案
A
解析

试题分析:句意:在我被安排帮助他们之前,他们一直在忙于这个项目。现在我们还在做这个项目,没有结果。第一空的动作发生在before l was arranged to help them.是过去的过去的动作,用过去完成进行时,第二空是现在正在发生的动作,用现在进行时,选A。
举一反三
— Isn’t it amazing that I met Francis at the Christmas party?
—Really?For how many years ____ each other?
A.didn’t you seeB.haven’t you seen
C.hadn’t you seenD.don’t you see

题型:不详难度:| 查看答案
---Will you please repeat your idea?
---Sure. But I don"t think that you ________ attention.
A.paidB.pay C.are payingD.were paying

题型:不详难度:| 查看答案
For some time the expert __________ people of the health risks caused by passive smoking. He     says he won"t stop until all the smokers around him decide to quit smoking.
A.is warnedB.is warningC.has been warningD.has been warned

题型:不详难度:| 查看答案
The book came out in 1973 and it _________into thirty languages ever since.
A.translated B.has been translated
C.has translatedD.was translated

题型:不详难度:| 查看答案
When Alice came to, she didn’t know how long she        there.
A.had been lyingB.has been lyingC.was lyingD.has lain

题型:不详难度:| 查看答案
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