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科目： 來源：不詳 題型：單選題

The doorbell had been ringing for several minutes before it ______.
A answered       B had answered          C was answering       D was answered

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科目： 來源：不詳 題型：單選題

The notice ______ “No smoking”.  A is told     B reads          C tells      D is read

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科目： 來源：不詳 題型：單選題

-- Look! Everything here is under construction.
--- What’s the pretty small house that ______ for?
A．is being builtB．has been built
C．is builtD．is building

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科目： 來源：不詳 題型：單選題

I first met Mr. Smith in America. He ______ at Stanford University then.
A．studiedB．has studied
C．is studyingD．was studying

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科目： 來源：不詳 題型：單選題

It’s been over a year since I ______ back from the countryside.
A．come B．cameC．will comeD．had come

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科目： 來源：不詳 題型：單選題

--- What ______ when I phoned you?
--- I ______ my work, and I wanted to go out.
A．have you done; finished
B．were you doing; have finished
C．did you do; had just finished
D．were you doing; had just finished

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科目： 來源：不詳 題型：單選題

--- Why? Tom, your shirt is so dirty!
--- Mum, I ______ my storeroom downstairs.
A．cleanedB．have cleaned
C．was cleaningD．have been cleaning

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科目： 來源：不詳 題型：單選題

I know Mr. Brown; we ______ to each other at an international conference.
A．a(chǎn)re introducedB．a(chǎn)re been introduced
C．were introducedD．had been introduced

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科目： 來源：不詳 題型：單選題

Don’t bother to look for my dictionary --- it ______ some day.
A．turns upB．has turned up
C．will turn upD．is going to turn up

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科目： 來源：不詳 題型：單選題

--- What do you think of this kind of TV set, which ______ in Shanghai?
--- Well, I don’t care about such things.
A．was madeB．is made
C．has been madeD．had been made

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