【题目】从下面框内选句子补全对话，将序号填写在横线上。
A. What colour?
B. Good morning.
C. Good afternoon.
D. A white cap, please.
E. Would you like a cap?
Mike: Good morning, Liu Tao.
Liu Tao: 【1】, Mike!
Mike: 【2】
Liu Tao: Yes, please.
Mike: 【3】 yellow, orange, red, or white?
Liu Tao: White. 【4】
【答案】
【1】B
【2】E
【3】A
【4】D
【解析】
略
