一、根据句意和所给中文、英文或首字母提示，用正确的单词填空。
1. I had to throw away all the food after I left the fridge open. What a (浪费)!
(2013江苏苏州)
2. Email English is (广泛地) used among young people.
(2013甘肃兰州)
3. Ten people, (包含) a baby, were hurt in the crash. (2013甘肃兰州)
4. You’d better go out of the classroom to breathe (pleasantly clean and cool) air.
(2013江苏南通)
