: Unit 1 My school Part A 第一课时 一、按要求写单词或短语。 1.two (序数词)___________ 2.teachers(名词所有格)___________ 3.where’s (完整形式)____________ 4.紧邻(汉译英)____________ 二、单项选择。 ( ) 1. Where ______ the dog? A.is B. an C. are ( ) 2. —______ the teachers’ office? — It’s on the second floor. A. Where B. Where’s C. What’s ( ) 3. The library is ______ the first floor. A. on B. to C. at (