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科目： 來源：不詳 題型：單選題

It took him a long time to ______ the skills he needed to become an artist.
A．a(chǎn)cquireB．a(chǎn)rriveC．return D．cover

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科目： 來源：不詳 題型：單選題

The number of the people who own cars ______since 1990.
A．is increasedB．a(chǎn)re increased
C．have been increasingD．has been increasing

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科目： 來源：不詳 題型：單選題

They would __if food was difficult to find, so they celebrated when they had food.
A．killB．disappearC．starveD．start

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科目： 來源：不詳 題型：單選題

With the help of high technology, more and more new substances ___in the past few years.
A．discovered B．have discovered
C．had been discoveredD．have been discovered

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科目： 來源：不詳 題型：單選題

–Why, Jack, you look so tired!
--Well, I ___the house and I must finish the work tomorrow.
A．was painting B．will be painting
C．have paintedD．have been painting

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科目： 來源：不詳 題型：單選題

The mother didn't know who      the glass because it happened when she was out.
A．breakB．has brokenC．had brokenD．breaks

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科目： 來源：不詳 題型：單選題

Betty and Arthur ____ on separate holidays in a few days’ time.
A．goB．goingC．a(chǎn)re goingD．went

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科目： 來源：不詳 題型：單選題

They became friends again that day. Until then, they _____ to each other for nearly two years.
A．won't speakB．haven't spoken
C．hadn't spokenD．haven't been speaking

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科目： 來源：不詳 題型：單選題

—Did you notice my little son just now?
—No, Mrs Black. I ______ computer games.
A．playB．a(chǎn)m playingC．would playD．was playing

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科目： 來源：不詳 題型：單選題

一Did he notice you enter the classroom?
一I don’t think so．He _______ to the radio with his eyes shut·
A．1istenedB．was listening
C．has listenedD．had listened

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