Ⅰ. 根据句意及首字母提示完成单词(10分)
1. Don’t w_____ food. You know thousands of people in Africa are still in hunger now.
2. The car is so expensive that he can’t a_____ it.
3. Steve Jobs’ d_____ made us surprised and sad.
4. You’d better let him make decisions by h_____.
5. Air pollution can c_____ lots of problems.
