用所给单词的适当形式填空:He is_____ (hide) behind the sofa!
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—Is Jack _____ you? (   )
—No, he isn't.
A.play withB.playing withC.playing for
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用所给单词的适当形式填空:Are you _____ ( play) with your sister?
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I am ________ my homework. (   )
A.didB.doingC.do
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The boys are _______(playing / played) football now.
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Amy and Lily ________ bikes. (  )
A.ridingB.is ridingC.are riding
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My brother is__________. (   )
A.trainB.trainingC.trains
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They are visiting the park ______. (   )
A.nowB.next SundayC.last night
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What _____you  doing ? (    )
A.doB.isC.are
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What are you doing? I’m____________(read) a book.
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