the dog is playing a ball under the desk
look，the dog is playing ball.
Look，the dog is playing balls.
玩球 应该是 play with the ball所以应该是The dog is playing with the ball under the table.
Look!The puppies are playing ball!
look！the small dog is playing ball.
the dog is playing under the desk
落、幕的答案是错的！不应该用walking.因为用了like to而且用and连接，前后语态要保持一致，用walk
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一个美好的食袋
