根据汉语提示填写单词。

1. The word "doctor" _______(结尾) with "or", not "er".

2. I _______(收到) a letter from my pen friend every month.

3. That bag is made of _______(皮革).

4. Have you made the _______(决定) yet?

5. Do you know _______(准确地) how the animals feel when they are in cages?

6. Many cows are _______(饲养) on the farm.

7. The football match ended in a _______(令人吃惊的) result.

8. Are those workers good at _______(驯养) animals?

9. All of us are pleased with their _______(演出).

10. Jim is even _______(懒惰) than Bill.

解方程：x（x-2）-3x²=-1．