--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
