开学后,老师第一次见到同学们,会说:A. What’s your name? B. Welcome back to school, boys and girls.C. Good bye boys and girls.
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