I have bought that house from which I can enjoy the beautiful scene of Yangpu Bridge.请帮我解释一下from which在这句话中的用法?还有which前加介词的用法.

I have bought the same dress________she is wearingA.as B.that C.which D.than为什么 i have bought the same dress that she is wearing 的意思 ---I hear that you __a new house.---Yes,but I__in it now.A have bought; won't liveB have bought; am not livingC will buy; have livedD will have bought; am not living为什么选B不选A? I have bought the same dress__she is wearing A aI have bought the same dress__she is wearing A asB that C which D what为什么选择A i h( )that you will have fun in hangzhou I have bought the same watch _____ you have.A,that B.which C.as D.whose 英语填空题还有3道选择题（1）This is the best film_.A.that I have ever seen B.which I have ever seen C.that he bought D.which I will see (2)This is the book_last week.A.that he bought it B.which he bought it C.that he bought D.when he bou I have bought p___ of eggs. ____ you bought any books?Yes,I ____ some two week ago.A.Have,have bought B.Did,bought C.Have,bought D.Did,have bought选择题 I bought the watch two months ago.U mean that U_it for nearly two months .A have kept B have bought为什么选B bought 不是瞬间动词吗? I _____ a dictionary.I ____ it in the bookshop.A.have bought;bought B.bought;bought I have bought the same dress( )she is wearing.为什么只能填as,而不能填that,which? I have bought the same dress ( )she is wearing.括号里是as 还是that 、which 为什么? I have bought such a watch ( ) was advertised on TV.A which B as C that D where He doesn't like ( ) I have bought him.A.that B.what 为毛是B 不是A I have bought such a watch _______ was advertised on TV.A.that B.which C.as D.it I have bought such a watch( ) was advertised in TV.A that B which C as D it What a pity I have no money.Otherwise I (bought;will bought;would have boug