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.
Miss Chen is ______math teacher. A.a B. an C. the
--- Is she quiet? --- _______ A.Yes, she isn't. B. No, she is. C. No, she isn't.
--- What's he like? --- He's _______. A.funnyB. funC. science
--- Is he young? --- Yes, ______. A.she isB. he isC. he isn’t
Do you have a new teacher? A.Yes, I am.B. No, I don't. C. No, I do.