问题描述：
They have some pencils.变一般疑问句 2.It is maths.变否定句 3.These are our english books.变否定句
4.He can swim变否定句.5.Are they your cups?否定回答 6.Is this his table?肯定回答 7.Do you have a mug?肯定回答 8.Does he like English?否定回答 9,Can sing a song?否定回答 10.She likes English.变一般疑问句
4.He can swim变否定句.5.Are they your cups?否定回答 6.Is this his table?肯定回答 7.Do you have a mug?肯定回答 8.Does he like English?否定回答 9,Can sing a song?否定回答 10.She likes English.变一般疑问句
问题解答：
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