Unit3 Is this your pencil?单元词句梳理Section A(Grammar Focus-3c)必背单词 1Erics schoolbag 埃里克的书包 _汤姆和蒂姆的房间(共有的)_汤姆和蒂姆的房间(各自的)Tom and Tims roomToms and Tims rooms必背句子 2._ your books?这些是你的书吗?_Theyre hers.是的,它们是。/不,它们不是。它们是她的。3._his green pen?这是他的绿色钢笔吗?_The blue pen is his.是的,它是。/不,它不是。那支蓝色的钢笔是他的。4._her keys?那些是她的钥匙吗?_Theyre mine.是的,它们是。/不,它们不是。它们是我的。Are theseYes,they are./No,they arent.Is this Yes,it is./No,it isnt.Are those Yes,they are./No,they arent.