改为复数 box watch knife baby tomato potato foot man woman child

改为复数 box watch knife baby tomato potato foot man woman child ruler class boy watch box friend fish chinese knife foot child 改为复数形式 car bus box watch boy city story knife复数形式 改为复数形式dish,box,class,watch 写出单词复数形式：class box fish watch sheep boy knife woman table banana bus box failmy knife nose fish watch 的复数形式 hwoman foot sheep dish box man box class knife cinema office tooth businessman baby city watch this复数 This is a box and that is a knife （改为复数句） This is a box and that is a knife.改为复数形式〔怎么变的〕 帮忙写出下列词或词组的复数形式book、box、orange、baby、boy、this、that、knife、watch、sheep、tooth、leaf、German、Chinese、woman doctor 英语单词复数变化问题Egg carrot leaf tomato tooth mouse watch bus man flower sheep box family child boy photo strawberry knife book story This is a knife 改为复数 Is this your knife 改为复数句子 box.man.cat.child.sheep.knife的复数形式 this is knife in the box（变复数句 knife box woman month difference的复数形式 glass,movie,knife,box,woman,difference转复数 将下列名词改为复数形式.顺便讲一下变化的规律.desk fork boy table ticke tourist friend cupboard dress boss bus glass watch match dish fish box fox knife wife leaf shelf family baby man woman policeman policewoman milkman postman ch