题干
— Why not have some water?
— Good idea.
A：All right.
B：That's all right.
C：That's right.
D：You are right.
答案(点此获取答案解析）
A
— Why not have some water?
— Good idea.
A：All right.
B：That's all right.
C：That's right.
D：You are right.
