She bought a book 和 He has worked for 3 years 哪一个表示状态啊

She bought a book 和 He has worked for 3 years 哪一个表示状态啊 She bought a book for me .改为否定句 I bought a book for She（）this book for 3 years.She（）it in 2010.A.has bought；bought B.bought ；bought C.has kept；has boughtD.has had；bought具体说说为什么选C不行. She bought a new book last week用next week改写 she bought a book for you.改成一般疑问句,并作肯定回答 mary ___ a new book.she _____it last night.空格一填had还是 has?Mary ______ a new book.she ______it last night.A.had,bought B.has,buys c.has,bought应该选A还是C? He wanted to bought a new book. she had bought book for two weeks哪里有错? Mary can't remember( )she bought the book.填什么 I bought this dress 2 years ago She borrowed a book from the library yesterday改为现在完成时态 She _ a book from the shelf and then walked towards me.应该填took 还是bought? she isn't reading a book.和She doesn't read a book.区别是什么? 他最近买了书 用bought a book 还是 have bought a book My mother bought me a book.改为被动语态是 I was bought a book by my mother.正确吗I was bought a book by my mother。和 A book was bought to me by my mother.这两种是不是都正确？ She bought a new___ (果汁机)yesterday. 英语定语从句问题!She bought a book on which she spend tw英语定语从句问题!She bought a book on which she spend two yuan.这句on which可不可以改其他的,on which在从句中充当什么成分 she bought the book two months ago?改为同义句 she （ ）（ ）the book （ )two months