问题详情：
用所给词的适当形式填空
1．The black bag is________(bad) than the red one. The green one is the________(bad) of all.
2. Jim does his homework________________(careful)than before.
3. You can buy clothes________(cheap) there.
【回答】
e; carefully 3．cheaply
知识点：构词法
题型：完成句子
