1．My grandpa used to play violin after dinner.but now he is used to playing chess with me．A．不填,a B．the,不填 C．the,the D．the,a 【查看更多】

 

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My grandpa used to play ________ violin after dinner，but now he is used to playing ________ chess with me．

A．不填；a         B．the；不填           C．the；the           D．the；a

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