( ) （8） --- Is this your brother?--- ________.
A. No, she isn’t.B. Yes, this is.C. No, he isn’t.
() （7） --- Is that your T-shirt? --- No, __________.
A. it isB. it isn’tC. that is
() （6） --- Would you like an egg?--- _________.
A. Yes, I amB. No, I’m not.C. Yes, please.
()（5）This is ______egg.
A. aB. anC. /
()（4）This is _____ new skirt.
A. IB. anC. my