填画线单词的反义词。
1.Peter is fat, but Alice is________.
2.The library is quiet, but the market is too________.
3.When she was one year old, she was short and ugly. Now she is 16 years old, she is________and________.
4.Little Justin is small and black. But the polar bear(北极熊)is________and________.
5.Many years ago, Sally was 20 years old. She was young. But now she is________.