Did he come to china?和Have he ever been to china 有什么差别?

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• Did he come to china?和Have he ever been to china 有什么差别?
• 这句话为什么用过去时新目标9年级第十四单元的一篇文章,He's already visited the place where his ancestores lived.通篇都用的现在完成时和一般现在时（只有讲到“祖先”们怎样怎样时才用一般过去时）,可在倒数第二段插了一句一般过去时,而且不是讲“祖先”的,我很不理解,整篇文章如下：Have you been back to the place where your ancestors lived,worked,studied and played?Robert Qian,a Chinese Canadian,already has.Now in China,he has found that his family is like a tall tree with long roots.Robert is just one young overseas Chinese who has come to visit his ancestors' home
• 问几道初中英语题,麻烦详细解释下,先谢谢了……1.He is running ______now.A.more slowly and more slowlyB.slowier and slowierC.more and more slowly答案给的是C.可是为什么不选B呢?我记得有“比较级+比较级”这个句型啊?2.The sick man was too thin to go any ______.A.farB.fartherC.further答案给的是B,可是B、C都是far的比较级,都可以表示“更远”.为什么不选C呢?3.Miss Smith with her parents ______ China 2 years ago.A.have been inB.has gone toC.has been in答案给的是A,可是既然有with,谓语动词就应该遵循with前面的Miss Smith,应该用单数啊,为什么不选C呢?
• 1、I told him not to do it,but he just___my advice.A、ignored B、followed C、disagreed D、took2、-Have you ever been to Shanghai Expo Garden?-No.It is the first time that I ___to China.A、come B、have come C、am coming D、came3、-What about going to see the final of 2010 World Cup Competition tonight?-Why not?And I___my new friend with me.A、am taking B、have taken C、take D、would take请给出答案并写明理由.可是第一题里不是有个 but
• Have you ever been all over china?其中been 和all 之间为什么不加个to,不是有一个固定词组have been 为什么all ove前不加to,这是什么用法?
• He has has been in Green China for 2 years.句中为什么有两个“has”?这是试卷上的一道题我知道has had的意思，是have/has+动词过去分词（也就是had）那么has has呢？是什么成分？还是说has been in是一个结构？
• Have you ever been all over china?其中been 和all 之间为什么不加个to,不是有一个固定词组have been 为什么all ove前不加to,这是什么用法?
• 高三过去完成时和一般过去式的区别1.-peter,where did you guys go for the summer vacation -we had been busy with our work for months so we went to relax ourselves .had been busy 既然下边两个可以用过去时 这个为什么不用 2.I dont drink now,but I ever drank for almost ten years ,drank 为什么不用had drunk 3.have you known Ted for a longtime?-yes,since he came to the village.came 为什么不用过去完成时?
• 新概念英语第二册的一些练习1.I lent hime some money and he said he would give it back to me when he got his__________（填salary还是wages?虽然知道salary是指月薪,wages指一周的工资,但是放到句子中看情境,）2.salary是不是可以用good,high,low来修饰?那wages呢?salary和wages分别用什么动词?3.Workmen's __________have gone up a lot in the last year（填Salary还是wages?为什么?）4.I shall not hear from him_______tomorrow.(填什么介词?）5.knock sb.down 和knock out 有什么差别?好像意思都是击倒,击晕的意思啊?knock off 除了有降价,结束工作的意思,还有什么意识?6.He did not know how to figh
• Have you been to China?和 Have you ever been to China?有什么区别吗?ever有时中文不译,那这2句不都没什么区别的还是?
• “My favorite subject is Chinese ”同义词替换成什么?
• She has problems in dealing with the problem.改为同义句