A. Oh no!
B. Can I come in?
C. Is anybody home? Can I come in?
D. Please come in, Uncle Circle. We are having a party(聚会).
E. No, you can't. I'm a star. You're a circle. The circle house is on the right (在右边).
F. No. I'm a triangle. You're a circle. The circle house is over there (在那边).
