You look ______ . Here's a fan for you.
--Where’s the library? --It’s____ the first floor. A. inB. on C. at
Let ____ help you. A. my B. I C. me
There are 4 _______ in our classroom. A. wall B. the wall C. walls
Where’s the ______ office? A. teacher B. teacher’s C. teachers’
-- _____time is it? -- It’s 2 o’clock. A. Where B. What’s C. What