does Mary have a volleyball 里为什么要用have是我们写作业的习题上的例句 不是说人名后面跟的是has吗 我英语真心不好 所以只能问问大家了

does Mary have a soccer ball?作肯定回答. Does Mary have a computer?does 和 do各表示什么 what does mary have for dreakfast? What does mary have for breakfest? what does Mary have forbreakfast 的意思 两个人名做主语是单数还是复数eg._____Ann and Mary have a pen?(do/does)Ann and mary _____ a pen(have/has) has用在第三人称单数,那为什么Does Mary have a ball?这里还用have,Mary也是第三人称单数呀? what does Mary have in her box?还是What does Mary has in her box? Who has a tennis ball and a basketball --Mary and Gina ( ).A.have B.does C.do D.has how many children does Mr Green have?3.Mary,Joan and Jack.Mary is____sister.A Joan and Jack's B Joan's and Jack's MARY DOES NOT HAVE ANY BOOKS (变肯定句） Mary does not have any books怎样改为肯定句? 帮我翻译一下What question does Mary have mary always does her homework ofter school 用have改写 按要求完成句子 1.I want to buy a big green bag.2.Mary does not have any books. Mary has visited the Great Wall.So _____ l.A.am B.have C.does B.do快呀急 My sister Mary( )a ping pong ball,but I( ) A.have;donot B.have;doesn t C.doesn thave;doDonothave;does 选择填空 I like eating beijing roast duck A So does Mary B so Mary doesC Mary does so D Mary so does