Beijing is the north of China.A.on B.in C.at
--Wow, your school is cool!--____________. A. Yes.B. Thank you. C. You’re welcome.
It’s cold ____ Beijing. A. onB. isC. in
It’s 9:45.It’s time ____ music class. A .to B. for C. of
--Do you have a library?--____________. A.Yes, it is.B. Yes, we do.C. No, it isn’t.
My classroom is on the _______floor. A. firstB. oneC. two