这个句子For several years,I have bought many flowers from the little girl.是否正确?

这个句子For several years,I have bought many flowers from the little girl.是否正确? 英语语法高手帮忙分析下这个句子And after declining for several years,the prices of Amecica's imports from China junped by 5.3%in the year to July,pushing up the prices of goods in Wal-mart,where many Americans shop.这个句子里的“ I saw several houses,most of them were too expensive for me to buy.这个句子哪里有错? I ____(watch) TV for several weeks last year.说明语法 These foreigners ___(live )in Shanghai for several months last year. Wasn’t Sydney the host city for the Year 2000 Olympics?翻译一下句子.分析这个句子的语法知识. she has studied english for They year 把这个句子用变成否定句she has studied english for They year把这个句子用变成否定句和疑问句 several million people这个, for year for year three 所有从句都可以改成简单句么?例如这个句子怎么改成简单句?.For several hundred years,cases have been reported of children who have been reared in the wild by animals kept isolated from all social contact However,there are several explanations ignored by theauthor may equally effectively account for thephenomenon.“同样有效”在这个句子里翻译的对吗?我之前没用过两个副词连一起的 My mother bought a new bike last year.（用for one year代替last year改写句子）My mother（）（） a new bike for one year. for several days改成since 英语翻译这个句子中for He underwent a major heart surgery several years ago.求这个句子的句式分析 现在进行时(用括号内所给的词改写句子)要全对!1.A:XiaoLi joined the army last year.(be in)B:XiaoLi ___ ___ ___ the army for ___ ___/since ___ ___.2.A:His secretary borrow this books several days ago.(keep)B:His secretary ___ ___ this For several year I've bought flowers.短文改错For several year I've bought flowers from a little girl (1)____who come from Mexico.For one thing,she has the (2)____freshest or most beautiful flowers.For another,she is a (3)____fresh and beautiful f by the time he gratuades from high school next year, he will have learnt here for three years这个句子中前半段,为什么不用by the time he will gratuade from high school next year呢?不是将来的事吗?