Ⅰ. 根据句意及首字母提示完成单词(10分)
1. The boy was e_______ at this school before he went to the Oxford University.
2. We try to protect the e_______ animals because they are becoming fewer and fewer.
3. Now more and more rivers are p_______ because we often pour dirty things into the water.
4. —How much does the elephant w_______?
—It’s more than a ton.
5. Free e_______ is allowed here. You can say anything you like.
