—You look tired.  —Yes. I _____ non-stop until twelve o’clock.   A.hasn’t been w

—You look tired.  —Yes. I _____ non-stop until twelve o’clock.   A.hasn’t been w

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

答案
B
解析
本题考查时态。Until twelve o’clock 说明工作已经完成,应用过去时态;同时说明在12点以前动作持续进行,故应用进行时态。答案为B。
举一反三

25. He is one of the old scientists who ______nothing about his personal income and fame .
A.caresB.careC.is caringD.are caring

题型:不详难度:| 查看答案

2. ---- English, as a living language, ________ all the time.
---- Right. Who knows what it will be like in the years to come?
A.will changeB.is changingC.was changingD.has changed

题型:不详难度:| 查看答案

28. The farm as well as its neighboring hills we once spent so much time ____ on a new look as recently as last year.
A.on having takenB.has takenC.on has takenD.having taken

题型:不详难度:| 查看答案

29. If city noises____from increasing, people___shout to be heard even at the dinner table 20 years from now.
A.are not kept; will have to  B.are not kept; have to
C.do not kept; will have to  D.do not kept; have to

题型:不详难度:| 查看答案
I don" t want to be a person that always cries, but today apparently ____.
A.I amB.I willC.I haveD.I did

题型:不详难度:| 查看答案
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