问题
填空题
按要求写单词.
1. waste (形容词形式) 
___________ 2. helpful (反义词) ____________
3. reusable (动词形式) ___________ 4. possible (反义词) ___________
5. communicate (名词形式) ___________ 6. success (形容词形式) _________
7. different (名词形式) ____________ 8. careful (动词形式) _____________
9. health (形容词形式) ____________ 10. comfortable (反义词) __________
答案
1. wasteful 2. helpless 3. reuse 4. impossible 5. communication
6. successful 7. difference 8. care 9. healthy 10. uncomfortable