Mary has not a dog or five fish at home ./Mary doesn't have a dog or five fish at home .（注：否定句中的并列用OR,另外,HAS 作为‘有’时,其的否定句可直接在后面加NOT,或加助动词doesn't ,但has 要改为 have...顺便问一下，That is my car 的同义句This car is mine.