连词成句。
(1)it / is / to / piano / difficult / the /play (?)
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(2)dinner/ I / have / 6:20 / at /pm (.)
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(3)practises / at / she / English / home (.)
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(4)the / clean /they / windows / Sundays / on(.)
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(5)film / does / a / see /she / on/ Monday (?)
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