—Lily, what do you usually do after school?—I_________ exercise with my friends.

—Lily, what do you usually do after school?—I_________ exercise with my friends.

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下列化学用语中数字“2”表示的意义正确的是(  )

下列化学用语中数字“2”表示的意义正确的是(  )

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air,does,where,from,pollution,come,?

air,does,where,from,pollution,come,?

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Which do you like_________(good), basketball or football?

Which do you like_________(good), basketball or football?

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It’s two ______old. ( )

It’s two ______old. ( )

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