根据句意及汉语提示,补全单词。
1. The boy got (撞击) in the head with a basketball bat.
2. I had an allergy (袭击) last week.
3. I had problems seeing the blackboard. Maybe I am (近视).
4. She burnt herself while cooking in the (厨房).
5. There was something (严重的) with his right arm.