Ⅰ. 根据句意及汉语提示完成单词（10分）
1. Everyone wants to be _______ (获胜者) in the game.
2. Don’t _______ (扔) rubbish.
3. The old woman feeds （喂） these _______（新鲜的） vegetables to the little boy.
4. The _______ (空气) in Baoding is fresh now.
5. There are many trees on either _______ (边；侧边) of the road.
