根据句子意思和首字母 补全句子所缺单词
1、Don't (w ).I'll get there on time.
2、I got to the station late,but (I ) the train was still there.
3、We can't (p ) flowers in the park.
4、There are two hundred pigs on the (f ).
5、I'm free today.I don't have (a )to do.