Unit 3 Is this your pencil?七年级上册英语第三单元Whats this in English?Its a pen. Whats this in English?Its an eraser. 七年级上册英语第三单元Whats this in English?Its a book. Whats this in English?Its a ruler. 七年级上册英语第三单元Whats this in English?Its a pencil. Whats this in English?Its a pencil box. 七年级上册英语第三单元Is this a schoolbag?Yes, it is.Is this a dictionary?Yes, it is.七年级上册英语第三单元peneraserbookrulerpencilpencil boxschoolbagdictionary 笔;钢笔橡皮书尺;直尺铅笔铅笔盒;文具盒书包词典;字典七年级上册英语第三单元请根据图示,用this或that填空。1. Is _ your pen? Yes, it is.