at the red light.A.Stop B.Go C.Wait
It’s cold ____ Beijing.A. on B. is C. 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. first B. one C. two
That is________classroom. A. me B. my C.I