this is ...和it is...的区别

this is ...和it is...的区别 this is it 和is this it的区别 what is this?-It is. What is this?It is This is [ ] IDcard.Is it [ this is it and this is it This Is It!歌词 this is it下载 THIS IS IT怎么样 what is it 和what is this的区别是什么? What is this?It is （）（）. What is this?it is orange. What is this?It is ----------N What is This?it is a______(书) this is a m____,it is yellow Is this gutar your Yes,it is( ) This is a watch.Is it (you)?