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科目： 來源：不詳 題型：單選題

—Li Ming went abroad in 2000.
—No wonder. I ______ him ever since.
A．don’t seeB．hadn’t seenC．didn’t seeD．haven’t seen

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科目： 來源：不詳 題型：單選題

—The windows are dirty.
—I know. They _________ for weeks.
A．haven’t cleanedB．didn’t clean
C．weren’t cleanedD．haven’t been cleaned

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科目： 來源：不詳 題型：單選題

Luckily good things _________ here to save local wildlife.
A．a(chǎn)re doingB．a(chǎn)re being done
C．had been doneD．will do

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科目： 來源：不詳 題型：單選題

---I have got a headache．
----No wonder ．You _______in front of that computer too long ．
A．work B．a(chǎn)re working C．have been working D．worked

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科目： 來源：不詳 題型：單選題

I know a little bit about the city as I __________ there for one year in my youth.
A．a(chǎn)m studyingB．had studiedC．studiedD．have studied

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科目： 來源：不詳 題型：單選題

Catherine came home happily, which suggested that she        the final exam.
A．had passedB．passC．would passD．should pass?

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科目： 來源：不詳 題型：單選題

– May I go to the movies tonight, mum?
-- You can when you ____ your homework.
A．will finishB．a(chǎn)re finishingC．will have finishedD．have finished

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科目： 來源：不詳 題型：單選題

Ever since the financial crisis ________, many workers _______from their jobs.
A．broke out; were laid off
B．has broken out; were laid off
C．had broken out; had been laid off
D．broke out; have been laid off

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科目： 來源：不詳 題型：單選題

---The window must have taken you quite a lot of time that day.
--- You are right. They ________ for weeks.
A．haven’t been cleanedB．hadn’t been cleaned
C．didn’t’ cleanD．haven’t cleaned

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科目： 來源：不詳 題型：單選題

The leaders of the company are having a meeting to discuss where the new office building __.
A．should situateB．should be situatedC．should be liedD．was located

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