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科目： 來源：不詳 題型：單選題

—Did you find the missing couple in the mountain yesterday?
—No, but we ________ to get in touch with them ever since.
A．have triedB．have been tryingC．had triedD．had been trying

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科目： 來源：不詳 題型：單選題

－Oh, it’s you, Steve! I ________ you.
－No surprising. I’ve just had my hair cut.
A．don’t recognizeB．haven’t recognized C．didn’t recognizeD．hadn’t recognized

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科目： 來源：不詳 題型：單選題

—You were out when I dropped in at your house.
—Oh, I ________ for a friend from England at the airport.
A．was waitingB．had waitedC．a(chǎn)m waitingD．has waited

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科目： 來源：不詳 題型：單選題

— I called you at ten, but there was no reply.
—Oh, that was probably when I ________ a shower.
A．a(chǎn)m takingB．tookC．were to takeD．was taking

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科目： 來源：不詳 題型：單選題

－The enemy spy was found at last. －Really? Where ________ himself?
A．had he hiddenB．did he hideC．has he hiddenD．was he hidden

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科目： 來源：不詳 題型：單選題

Why don’t you put the meat in the fridge? It will ________ fresh for several days.
A．be stayedB．stayC．be stayingD．have stayed

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科目： 來源：不詳 題型：單選題

—You must have met him the other day. —Oh, no, I ________ .
A．hadn’tB．mustn’tC．haven’tD．didn’t

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科目： 來源：不詳 題型：單選題

It is said in the book that Thomas Edison (1847—1931) ________ the world-leading inventor for sixty years.
A．would beB．has beenC．had beenD．was

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科目： 來源：不詳 題型：單選題

—What’s that terrible noise?
—The neighbors ________ for a party.
A．have preparedB．a(chǎn)re preparingC．prepareD．will prepare

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科目： 來源：不詳 題型：單選題

The student didn’t pay any attention to the lecture; he ________ of something else.
A．thoughtB．had thoughtC．would thinkD．was thinking

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