定语从句It is a surprising building which has a flat roof.It is a building that lies in the north of China.It is an amazing building which can protect against strong winds第一句可以用has吗?

It is a show.Wendy will play on it.变定语从句 she wears a pretty dress.it is the same as mine(合并定语从句） I am reading a book ,It is about space 改为定语从句怎么改？ “A dictionary is book .You can use it to learn more word .”变为定语从句. It is such a difficult book as no one can read 是状语从句还是定语从句 原因? It is easy to do the repair.( ) you need is a hammer and some nails.定语从句请大家帮帮忙! It's a theory to which many economists subscribe.这儿which是主语从句还是定语从句?如果改成it is a theory which many economists subscribe to.which可以引导定语从句,不换成that? it is so interesting a book as everyone likes it和it is so interesting a book as everyone likes 有神马区别 都是定语从句么? 用定语从句改写句子 The CD is a present for my brother.I bought it yesterday. He is playing a piece of piano music.We all like listening to it.合并为一个定语从句 定语从句合并句子American English is based onAmerican English is based on British English.Believe it or not,American English is playing a more and a more important part than ever before定语从句合并句子 It is by no means clear the president can do to end the strike.A.how B.which C.that D.what为什么不用which,不能是定语从句吗,怎么区别名词性从句和定语从句? it 可不可以引导定语从句? It is 开头如何判断定语从句或名词性从句形式主语 区分这句话是定语从句还是同位语从句It is such an important meeting that i will attend it.这个是同位语从句还是定语从句?此外,定语从句和同位语从句怎么区分? it is high time that...是什么从句? it is a pity that...是什么从句?在网上查这两个句型,说“it is high time that...”是定语从句? “it is a pity that...”是主语从句?怎么区别的?“it is”和“that”之间不都 将下列句子改为定语从句 Who is a servant? 用定语从句完成2个句子：1..His brother always encourages him to go to college.His brother is a doctor.2.Where is the beautiful picture?You bought it last week.即改成定语从句