serve it up.为什么用UPhow to find it,deal with it and how best to serve it up.

serve it up.为什么用UPhow to find it,deal with it and how best to serve it up. serve serve serve house be serve ashouse be serve as 还是serve as 为什么 triple,serve,clean up,ancient ,turn against分别是什么意思如上所述 he said that it would be possible to build a platform.This platform would serve as a port and a railway station.后面一句为什么要用would?这是虚拟吗? 关于take it up和take up it的区别为什么要说take it up而不是take up it（it为什么要放动词和介词中间）? give it up为什么正确give up it为什么错误,要原因 为什么说look it up 却说look for it 为什么说 look it up 而不说look it for ----Are we about to have dinner?----Yes,it __in the dinning room 用serve 的什么时态? Are we about to have dinner?yer,it(serve) in the dinning room.括号内用什么形式 end up 用法it ended up being 500 dollars为什么 end up 后面接动词ing , A. Pick up it B. Pick it up C. Take up it D. Bring it up 为什么选BYou've dropped your pencil.___please. do the washing up 为什么用up 新概念英语第二册lesson17求解it must be terrible to be grown up 为什么用被动语态不是it must be terrible to be grow up呢 Please pick it up.为什么it要放pick up的中间