But his wife isn't very lucky.请问可以用don't 代替isn't吗?为什么?

But his wife isn't very lucky是什么时态? But his wife isn't very lucky.请问可以用don't 代替isn't吗?为什么? .He is a teacher but his wife is a doctor,______?.He is a teacher but his wife is a doctor,_______?A.isn’t she B.isn’t it C.aren’t they D.isn’t he Beckham is a football player ,but his wife is a mold and pop star ,____?A isn't she B isn't he His wife isn't lucky的同义句 -Jim has his wife do all the housework Isn't he wise?----Not really.He is (more lazy than wise). his wif isn,t very luckyhis wif has not very lucky这两句有什么不同?his wife has not very lucky.这句是病句吗？为什么？ Your wife isn't in China now,is she?——But yes ,she is.请问回答为什么用But?直接yes不可以吗? Jack Smith likes he ring,but his friend Jeff_____ A likes B does C doesn't D isn't Jack Smith likes he ring,but his friend Jeff_____ A likes B does C doesn't D isn't Fred be afraid of his math teacher.But now he .A.used to,isn't B.used to,d...Fred be afraid of his math teacher.But now he .A.used to,isn't B.used to,does't Tom isn't there,but his brother is.在这个句子中,‘but his brother is’这是一个什么样子的句型结构 but it is impossible isn't it? i sorry.but isn't my thingks My uncle lunch at home but in his factory. A hasn't B haven't C isn't D doesn't have选啥啊 同胞们 He is very____at math.But Jenny,his sister____.1.A.goodB.fineC.niceD.well 2.A.goodB.isn'He is very____at math.But Jenny,his sister____.1.A.goodB.fineC.niceD.well 2.A.goodB.isn'tC.doesD.doesn't Jack works a long way from home.He wants to send a letter to his wife.But he doesn't have time. His wife often------him to give up smoking,but he just didn't listen.()A.suggested B.persuaded C.advised D.managed