单词拼写。

1. She took the car without ______________. (许可,允许)

2. The kids are always playing ______________on their teacher. (诡计,恶作剧)

3. I decided to go on a ______________before my holiday. (节食)

4. The ability to keep calm is one of her many ______________. (强项,长处)

5. Who will ______________from the changes? (受益)

6. Fruit juice can be ______________to children's teeth. (有害的)

7.What were you _______________about? (闲聊,聊天)

8.The beach is within walking ______________of my house. (距离)

9. If the pain continues, _______________ your doctor. (咨询)

10.It was ______________that the boy had been badly treated. (明显的)