【業精於勤,事立於豫】評論
A: Are Kevin's sisters at school? (Kevin 的妹妹們在學校嗎?)B: __________ (A) Yes, the girls are in their room. (對阿,女孩們在他們的房間。) → 要改為 No, the girls are in their room.(B) No, she isn't at school. (不,她不在學校。) → 要改為 Yes, she isn't at school. (C) No. They are at home. (不。他們在家。) (D) No, there aren't. (不,沒有。) → 要改為 No, they aren't.Kevin's sisters 是指 Kevin 的妹妹們(2人以上),所以只能選(C)