--Is that the computer room?--No, ________. A. it is B. is itn’t C. it isn’t
Do you have ______ art room? A. aB. an C. the
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