John promised his doctor he would not smoke,and he__since then A had never smokedB never smoked C would never smoke D has never smoked

John promised his doctor he________not smoke,and he has never smoked ever.A.might B.should C.could Dwould John often helps his mother do housework.(同义句) John often _____his mother ____housework. soneone tells you john has failed his exam.how do you express sympathy for john? what does john's mother do?Are john and hiswhat does john's mother do? Are john and his sister students? John promised his doctor he would not smoke,and he__since then A had never smokedB never smoked C would never smoke D has never smoked someone tells you john has failed his exam.how do you express sympathy for john?有谁知道这个的答案 someone tells you John has failed his exan .how do youexpathy sympathy for John怎么回答怎么回答? John()his homework every day A.do B.did C.does 选哪一个啊? John began to do his homework as he__home.A.came to B.reached C.got to John has finished his homework .we must do something to protect the environment.被动语态 John usually spends 3 hours to do his homework every day.改错 someone tells you John has failed his exan .how do youexpathy sympathy for John seldom (外出)on school nights.he always stays at home to do his homework. should + V 还是 过去将来时John promised his doctor he ______ not smoke.And he has never smoked ever since.这道题为什么选would ,不选 should 不是说 promise 后的宾语从句用should + V John promised his doctor he____not smoke,and he has smoked ever since.A.might B.should C.could D.would题目是否有错,为什么不是and he has not smoked ever since His teacher doesn’t know where John is,nor _______ his classmates.A are B do C does 1.When i was small .He promised to lend it to me in his will 2.we will do better than that .said to my son . john makes no excuse for what he can do and cannot do in his life 翻译+成分分析.谢谢!