Professor Liu has ________ teach psychology since he came to the Central China N

Professor Liu has ________ teach psychology since he came to the Central China N

题型:不详难度:来源:
Professor Liu has ________ teach psychology since he came to the Central China Normal University.
A.determination to B.been determined toC.been determining toD.determined to

答案
B
解析
Since引导的时间状语从句强调主句谓语动词动作的持续性。
举一反三
—Why? Where is the key to the meeting room? 
—Dear me! You ______ it in the taxi!
A.had never leftB.didn’t leaveC.never leftD.haven’t left

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The latest data put forward by the states suggested that the business ___ improving.
A.wasB.beC.beingD.should

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----How do you find our company?
----A little worried. We _________ ground as a leader in the field of IT with the others speeding up development.
A.have lostB.are losingC.lostD.were losing

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—Did you know more about the mine accident?
—Oh, sorry, I had no idea. I ____the Rescue Center now.
A.will be phoningB.am to phoneC.will phoneD.phone

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---Can I help you, sir? 
---Yes. I bought this radio here yesterday, but it _____.
A.didn"t workB.wouldn"t workC.can"t workD.doesn"t work

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