Those are our teachers怎么改为单数形式急!

Parents are our first teachers.They teache us lessons of life.翻译 those are our computers对our提问 These are our oranges. Those are()(their) are those our english books?改单数 Those are our books.变同意句 those are our chinese books改单数 These are our chairs.Those are____(their) Those are our hats.改为单数 Those are our kites 对our提问 来写句子 ___(who) toys are those?--They're our toys. Those are our teachers怎么改为单数形式急! those are our little dogs改为一般疑问句 Those are our tickets.的单数形式怎么写? those are our kites.对划线部分提问 —— These are ( )coats.Those are ( ).AThese are ( )coats.Those are ( ).A.our,your B.ours,yoursC.our,yours请问选择哪一项 对括号部分提问 Those are （our） kites.（）kites are（）?对括号部分提问Those are （our） kites.（）kites are（）? Those are our Chinese books.对our Chinesebooks进行对划线部分提问. It seems that our teache is working now.同义句our teacher seems__ ____working