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科目： 來源：不詳 題型：單選題

If there       no buying and selling of animals, there      no killing in nature.  
A. is; will be              B. will be; will be        C. is; is

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科目： 來源：不詳 題型：單選題

–Were you at school when he came to see you?
–Yes, I ______ a math class.
A. was having               B. had                  C. am having

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科目： 來源：不詳 題型：單選題

— Is Paul playing both soccer and tennis for the school?
— He ______. But now he has given up playing tennis.
A．isB．hasC．wasD．had

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科目： 來源：不詳 題型：單選題

— Put these glasses away before they______.
— OK, I’ll put them in the cupboard.
A．have brokenB．a(chǎn)re breakingC．get brokenD．will be broken

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科目： 來源：不詳 題型：單選題

— Are you a member of the club?
—       . It’s years since I       .
A．Yes; wasB．No; wasC．Yes; had beenD．No; became

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科目： 來源：不詳 題型：單選題

The stars who advertise some false medicine _____ for the deaths caused by the medicine.
A．a(chǎn)re to blameB．a(chǎn)re going to blameC．a(chǎn)re to be blamedD．should blame

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科目： 來源：不詳 題型：單選題

Professor Smith, along with his assistants, _____ on the project day and night to meet the deadline.
A．workB．workingC．is workingD．a(chǎn)re working

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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．workB．a(chǎn)re workingC．workedD．have been working

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科目： 來源：不詳 題型：單選題

My parents have promised to come to see me before I _________ for Africa.
A．have leftB．leaveC．leftD．will leave

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科目： 來源：不詳 題型：單選題

What he has achieved still _________ all the people around．
A．a(chǎn)stonishesB．a(chǎn)stonishedC．a(chǎn)stonishingD．a(chǎn)stonishment

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