Is that coat blue?变复数

Is that coat blue?变复数 The coat (that) i put on the desk is blue,这里的that可否改成which This yellow coat is cheaper than that blue one.(改为同义句) his coat is blue改为同义句 Is your coat blue?改复数快 把“his coat is blue.”对coat提问 The coat that i put on the desk is blue.怎么看that是做宾语的? The coat (that) I put on the desk is blue.这里的that可以省略吗?为什么? the new blue coat is mine.对mine提问()()the new blue coat? Grrr!Is that your coat? Laura's coat is blue,and Betty's coat is blue,too同义句Laura's coat is of ( )( )( )( )Betty's coat. Write the sentence in the plural.例句：That coat is blue. -------- Those coats are blue.题目：This bracelet is new. -------- _______________________.That watch is beautiful. -------- _______________________.This is Tom's jacket. - my blue coat is fifty yuan .向 fifty yuan提问 Who is the boy in blue coat[Tom]是什么意思 The bluecoat is mine.（对引号部分提问） He is a blue coat 里面填啥? His coat is blue and his trousers a________white that is blue book对吗