( )（7） ---What would you like? --- ___________.
A. No,thank youB. A hot dog ,please.C. It’s great.
()（6） ---Would you like an egg? --- _________.
A. Yes, I amB. No, I’m not.C. Yes, please.
()（5）This is ______egg and that is _____ hot dog.
A. an, aB. a, aC. an ,an
()（4） _____ is my brother, Tim.
A. She B.He’sC. He
()（3） This is _____ orange skirt.
A. aB. /C. an