当别人问你这是什么,你回答说:A.Yes,it is. B.It is a… C.No,it isn’t.
--What’s the weather like today?--___________. A. It’s near the desk. B. It’s cool. C. It’sred and yellow.
--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.