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科目： 來源：不詳 題型：單選題

Over the past decades, sea ice _____ in the Arctic as a result of global warming.
A．had decreased B．more than C．a(chǎn)ttachD．a(chǎn)pply

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科目： 來源：不詳 題型：單選題

－ What do you think of the movie?
－ It’s fantastic. The only pity is that I __________ the beginning of it.
A． Missed B．had missedC．missD．would miss

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科目： 來源：不詳 題型：單選題

—How can I apply for an online course?
—Just fill out this form and we _______ what we can do for you.
A．seeB．a(chǎn)re seeingC．have seenD．will see

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科目： 來源：不詳 題型：單選題

—It was really very kind of you to give me a lift home.
—Oh,don’t mention it.I _______ past your house anyway.
A．was comingB．will come
C．had comeD．have come

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科目： 來源：不詳 題型：單選題

I didn’t get into the two-hour quarrel; I know how it ______, though.
A．would break outB．has broken outC．was breaking outD．had broken out

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科目： 來源：不詳 題型：單選題

If Newton lived today,he would be surprised by what_____in science and technology.
A．had discoveredB．had been discovered
C．has discoveredD．has been discovered

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科目： 來源：不詳 題型：單選題

They          two free tickets to Canada, otherwise they’d  never have been able to afford to go.
A．had gotB．gotC．have gotD．get

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科目： 來源：不詳 題型：單選題

—Have you handed in your schoolwork yet?
—Yes,I have.I guess it _______ now.
A．has gradedB．is graded
C．is being gradedD．is grading

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科目： 來源：不詳 題型：單選題

—Has your father returned from Africa yet?
—Yes,but he _______ here for only three days before his company sent him to Australia.
A．wasB．has beenC．will beD．would be

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科目： 來源：不詳 題型：單選題

After he had won the first prize, Mr. Su ____ to a restaurant to celebrate with us.
A．wentB．has goneC．would goD．had gone

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