It was my sister who first had the idea to cycle along the entire Mekong River from where it begins to where it ends.句中的It was my sister who first had the idea之后为什么要用 to

It was my sister who first had the idea to cycle along the entire Mekong River from where it begins to where it ends.句中的It was my sister who first had the idea之后为什么要用 to my sister told me who she was waiting 英语翻译It was my sister who first had the idea to cycle along the Mekong River from where it begins to where it ends. It was my sister who first had the idea to cycle along the Yangtze River 那里为什么要用who啊! It was my sister who first had the idea to cycle along the entire Mekong River from where it begins to where it ends.这句话强调的是my sister.求强调其它部分的句子怎么说 where it begins的where是什么成分原句是It was my sister who first had idea to cycle along the entire Mekong River from where it begins to where it ends.这里面where如何理解? she asked me that who was my sister.这里that可省略吗?问什么? My sister told him who she was waiting?有什么错吗? 1.( )-----that accompanied the homeless beggar to the hospital?选DAwho it was B who he was C who was he Dwho was it 2.( )MY sister,-----for months to find a job as a teacher,finally took a position in Wenzhou Daily.A struggling B struggled C to stru How was your last weekend?It was too bad.My parents made me ______(look)after my sister at home. who is singsing in the next room It ( ) my sister.She is going to sing at the party this Sunday.A.can't beB.must isC.must beD.was谢啦、、 Who ()cakes in your family ? My sister (). My sister and I felt ____ because it was the first time we traveled there My sister was found sitting on the bicycle trying to balance it 解释一下为什么用tryingxiala It is not my sister,nor my brother.but it's still the child of my father and mother.who is it? My sister ,who has no clear sense of direction,was at a lossMy sister,who has no clear sense of direction,was at a loss when finding that the road she used to go along was in repair翻译 ---who called your sister just now ? ---l do not know ,but it was a girl's(_) it is Mary ( )my real friend.A.is B.that was C.who is D.who was