this these that those

问题描述:

this these that those
【1】 【 】is my classroom.【 】is the bulletin board,and【 】are the computers 【2】Are 【 】your books,and is 【 】your pencil

【1】 【 This】is my classroom.
【That 】is the bulletin board,and【 those】are the computers 【2】Are 【those 】your books,and is 【 that】your pencil