1 . 遛狗能够帮助主人保持健康。
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2 . Tom’s father used to drive to work, but now he is used to _______ (walk) to keep healthy.
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3 . The two boys ________ along the lake when they heard a loud cry for help.
| A．walk | B．were walking |
| C．will walk | D．had walked |
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4 . Seeing their teacher ________ into the classroom, they stopped ________ at once.
| A．walks; telling | B．walking; to talk | C．walks; to tell | D．walking; talking |
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5 . it, than, walking, is, faster
________________ .
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6 . The weather is cool and cloudy, just right for ________ (walk).
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7 . __________ is a good form of exercise for young and old .
| A．The walk | B．Walking | C．To walk | D．Walk |
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8 . ________ (walk) is a good form of exercise for both men and women.
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9 . Look! The old man ________ (walk) across the street with his grandson.
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10 . My mother ________ （not walk）with me at this time yesterday.
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