根据句意和首字母填写单词。 1. Recycling the r_____ is
题型：填空题
问题：
根据句意和首字母填写单词。
1. Recycling the r_____ is a good way to improve our environment.
2. Tom felt r_____ when he heard the good news.
3. Edison did quite a lot of e_____.
4. You can use some s_____ instead of words to take notes.
5. The teacher used a lot of r _____ to make her class more interesting.
