What color is it?,Unit 3,red,yellow,blue,green,orange,black,white,2,2,2,2,2,2,S,s,T,t,U,u,V,v,/es/,/ti:/,/ju:/,/u:/,/vi:/,Y,y,Z,z,/wai/,/zi:/,W,w,X,x,/eks/,/zed,large,medium,small,Do you know what these letters mean?,Unidentified flying object,China Central Television,UN,United Nations,-_ ,Frank. -Hi ,Alice. How _ you? -Im_, _. And you? -Me,too. _ this in Chinese? -Er. _ Jiaozi. -Thank _.And what _ this? -Its Niangao _ Chinese. -Good! I can say Jiaozi and Niangao. -_ _ are they? -They are white.,补全对话,Hi,are,fine,thanks,Whats,Its,you,is,in,What,color,