在右栏中找出左栏中每个句子的答语
Welcome _____ our school.A. on B. for C. to
--Is that the computer room?--No, ________. A. it is B. is itn’t C. it isn’t
Do you have ______ art room?A. a B. 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. in B. on C. at