who bought it?和who did buy it?不是有动词该加个助动词吗.像 what did you say?..did的助动词.

who bought it 和 who did bought it 哪一个正确在新概念2,第10课的课后选择题,我查了很多资料,还是不明白为什么要选who bought it, who bought it?和who did buy it?不是有动词该加个助动词吗.像 what did you say?..did的助动词. who bought it?和who did buy it?不是有动词该加个助动词吗.像 what did you say?..did的助动词. The book he bought yesterday is very interesting. A. who B.whom C.that D.it选哪个 （）is the man（）your father is talking to?A who which B who whom C whom which D whom whomCan you show me the bike（）yesterdayA that you bought it B which you bought it ----where are you looking for?----I'm looking for the ring ( ) my接上面：husband bought me last year.A.that B.who C.whom D.it The new mobile ____he bought last week is called iphone 4 .It's expensive .A what B who C which D when答案是C 为什么? 4.----Who ______the computer?I want to use it.----Timmy.He ______ it for a week.A.borrowed,has borrowed B.has borrowed,bought C.has borrowed,has kept D.bought,has borrowed They don't know _______________ A. who did it B. who did it do C. who did do it D.who it did?kuai! It's unknown to us ____they bought such fine clothes.A.that B.what C.where D.who选择的理由是什么能不能理解为同谓语从句that they bought such fine clothes who ______it?Grandfather did.A/buy b/was bought c/bought d/did buy我选择了b为什么错? This is the umbrella ()last mouth.A.which I bought it B.which I boughtC.that I bought itD.who I bought It was my grandfather who bought the instrument many years ago可以写成my grandfather has bought the instrument many years 还有为什么一定要it做形式主语?直接my grandfather who bought the instrument many years ago不行吗? Was it through Mary,_____was working at a high shool ,____you got to know Tom?A.who who B.that which C.who that D.who which翻译和原因 Who bought you thiis new football?--My father__.A.dose B.do C.did D.done 选择合适的一项,将对话补充完整.A DO you like english? B Who bought it C can i have a look选择合适的一项,将对话补充完整.A DO you like english? B Who bought it C can i have a look D i who Who