问题补充：
---Beautiful day ,? –Yes, ?
A. is it, isn’t it
B. isn it, it is
C. is itl is it
D. isn it; isn it
答案：
A. is it, isn’t it
B. isn it, it is
C. is itl is it
(答案→)D. isn it; isn it
解析：Beautiful day,isn it?是 It’s a beautiful day, isn it?的省略形式,这是人们谈天气时的寒噤的交际用语,答句Yes, isn it?意思是: 可不是吗?
