单选题
W: You look like you are freezing to death. Why don"t you put this on?
M: Thank you. It was so warm at noon, I didn"t expect the weather to change so quickly.
Question: What do we learn from the conversation?
【正确答案】
D
【答案解析】[解析] 男士回答“没想到天气变化得如此之快”,也就是说天气是突然转凉的。故本题正确答案为D,all of a sudden意为“突然”。