根据上下文写对话。
A: ______ that man?
B: ______ is our P.E. teacher. 
A: Is he tall?
B: No, he is ______. But he is very strong.
A: Is he strict?
B: ______, he is. _____ he is very kind.
A: Who’s that lady?
B: ______ our principal.
A: ______ she old?
B: No, she’s ______.
A: Is she kind?
B: Yes, ______ ______. ______ she’s very pretty.