Shanghai has changed greatly in the past few years.为什么用has changed 而不起had changed

Shanghai has changed greatly in the past few years.为什么用has changed 而不起had changed shanghai has changed a lot in the past few years句意相同there have been __ __ in shanghai in thepas Everything Has Changed 歌词 Everything Has Changed链接 everything has changed 链接 Nothing has changed 歌词 Shanghai has taken on a new look. ( )!选择正确答案.A.What a great change is B.What great change C.How great it has changed D.How greatly it has changed shanghai has changed a lot in the past few years句意相同__ __have taken place in the past few years Shanghai has changed a great deal in the past five years为什么要用in 而不用sincein是表示将来的 sth has changed 还是 sth has been changed Everything has changed如何回答? I think everything has changed everything has changed什么意思 上海变化了很多用英语怎么讲?1.Shanghai changes a lot.2.Shanghai changed a lot.3.Shanghai has changed a lot.到底该用什么时态啊?现在不是妥当不妥当的问题，而是这样有无语法错误的问题 She saw a small brown wallet_____(lie)on the grass on her way home.改句子。Shanghai has changed a lot since the 1980s.There have been_____ _____ in Shanghai since the 1980s. plans change 还是 plan is changed 还是 plan has changed? our school ( ) a lot A changes B changed C was changed D has changed My hometown has changed g_ since 1990.