根据括号里的提示,回答下列问题
1.What was the weather like last night?（下雪）
2.what are you going to do next week?（看电影）
3.what is your brother doing?（play the piano）
4.what should you do when there's a fire?（walk quickly down the stairs）
5.Was there a subway in your city 50 years ago?（没有）