this is ___ (我的） desk.

This desk is a wooden desk.(改为同义句） This is a desk.(就a desk 提问） This desk is white 的同意句 This is my desk.的同义句 Is this your desk.(怎么回答） This is a desk.(一般疑问句） A picture ___ on my desk.This is a picture ___ Jim's family. Do you know ___ tomato this is?It is on our desk.(who) Here is your desk 的意思是这是你的桌子 为什么不用This is your desk This is a desk 复数 (This desk) is in the room.对括号（ ）里的部分提问 This is a red desk.的问句是什么 急.