This coat is very beautiful. Can I ________ ?
A. try it on B. try on it C. try them on
How many _______ are there in your class?
A. students B. student C. student’s
--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’