My classroom is than .
A．bigger; you B．smaller; your C．bigger; yours
--Is that your yacht? --No, ____________.
A. it is. B. it isn’t. C. I don’t.
--_____ are you? --Fine, thank you.
A. How B. How old C. What
--Do you like juice? --No, __________.
A. I do. B. I don’t. C. I am not.
--Look! What’s _____ the desk? --An exercise book.
A. at B. to C. on
--How old _____ you? --I am twelve.
A. am B. are C. is