This is( )desk.应该怎么回答

This is( )desk.应该怎么回答 Is this your desk.(怎么回答） is this a teacher,s desk?怎么作否定回答? IS this teacher`s desk?怎么改为肯定回答 is this a desk?（肯定回答） 怎么写?is this a desk?（肯定回答） 怎么写? This is a desk 复数 This is a desk.(就a desk 提问） this,my,the,what,is,desk连词成句怎么做this,unger,the,what,is,desk连词成句怎么做 This desk is a wooden desk.(改为同义句）This desk-------- --------- ---------wood. This is a desk.(改为一般疑问句) This is a desk.(一般疑问句） This desk is red 改为选择疑问句 This desk is red 改为反义疑问句 is this your desk ------yes,it i______ this is my desk改成复数句 This is my desk 翻译成中文 This is my desk.的同义句 This is my desk.where is______desk,Amy