题干
- Are these your parents? （ ）
- __________.
A：Yes, she is.
B：Yes, they are.
C：Yes, he is.
答案(点此获取答案解析）
B
- Are these your parents? （ ）
- __________.
A：Yes, she is.
B：Yes, they are.
C：Yes, he is.
CH2CHO