【答案解析】[听力原文] 15-16 W: Just look! The day has dawned! M: It certainly looks clear—a good day for a picnic. W: I am thinking about the same thing. M: Well, how about it then? W: Ok by me. How soon do you want to leave? M: Say...in an hour. W: Let's leave in an hour and a half. We have to take time to get some more food, and wake up the little ones, Nancy and Jim. M: Fine. While you're getting things ready in the house. I'll go to get the car.