fishA.猫 B. 鱼 C.一些
Welcome _____ our school. A. on B. for C. to
I’m late ______ school. A. on B. for C. to
Time _____ go home, kids. A. to B. for C. of
--Is that the computer room? --No, ________. A. it is B. is itn’t C. it isn’t