用适当的介词填空。

1. The writer was educated _____ a very good school.

2. He received a title _____ a reward for his service to the na- tion.

3. She rewarded the boy with＄10_____ his help.

4. They stopped me _____ going out of the door.

5. The teacher refused to have his daughter in his class, for fear _____ showing favor to her.