Question

【题目】—Is Kate eating dinner?

—________. She is playing the piano.

A. Yes, she is

B. No, she isn't

C. Yes, she does

D. No, she doesn't

Answer 1

【答案】B

【解析】句意：凯特在吃晚饭吗？-不，她不是。她在弹钢琴。由句子“She is playing the piano.”可知，答语用否定的。排除A/C。再由句子“Is Kate eating dinner?”可知，为进行时态，用isn’t。故选B。