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5. He will never _______ though every means ________ tried already.
A．lose heart; has beenB．lose heart; have been
C．lose his heart; wasD．lose his heart; had

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科目： 來源：不詳 題型：單選題

In the last six to nine months，teens in the US        to text messaging in numbers twice that in Europe and Asia．
A．tookB．have takenC．had taken D．would take

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科目： 來源：不詳 題型：單選題


26. — Why is little Jimmy so naughty today?                        
— He is bored, so he _____ a little silly.                         
A．will beB．is beingC．had beenD．would be

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科目： 來源：不詳 題型：單選題


32. Tens of thousands of trees _____ in the area in the past few years.
A．have been plantedB．were plantedC．have plantedD．had planted

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科目： 來源：不詳 題型：單選題

 
28. The water will be further polluted unless some measures ______.
A．will be takenB．a(chǎn)re takenC．were takenD．had been taken

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科目： 來源：不詳 題型：單選題

    
24. —Hi, Alice, you look tired.
—I am tired. I__________ the living room all day.
A．paintedB．had painted
C．have been paintingD．have painted

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科目： 來源：不詳 題型：單選題

―Look! What a mistake! Why?
―Sorry, I _________ on it.
A．don’t concentrateB．hadn’t concentrated
C．haven’t been concentratingD．wasn’t concentrating

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科目： 來源：不詳 題型：單選題

 
25. ―Look! What a mistake! Why?
―Sorry, I _________ on it.
A．don’t concentrateB．hadn’t concentrated
C．haven’t been concentratingD．wasn’t concentrating

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科目： 來源：不詳 題型：單選題

Our food_____out, why not go to the market and buy some?
A．runsB．ranC．is runningD．has been run

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科目： 來源：不詳 題型：單選題


24. —Mr Smith, ______ John ______ this week? A friend of his is coming to see him this afternoon.
—No. He is on holiday.
A．has; workedB．is; workingC．did; workD．does; work

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