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）26. -Do you often play________soccer with your friends?
-No, I don’t like sports. I often play________piano in my free time.
A. a； theB. the； /C. /； theD. the； a
（）27. -Dad, why should I stop ______ computer games?
-For your health, my boy.
A. to playB. playingC. playD. played
（）28. -Look! The man at the gate ______ be our head teacher. He is always standing
there every morning.
-No, it _____ be him. He is having a meeting in the office now.
A. must；can’tB. must；mustn’t C. can’t；can’tD. mustn’t； can’t
（）29. ____ the Great Green Wall, the land produce more crops.
