请根据句意及首字母提示补全所缺单词.

请根据句意及首字母提示补全所缺单词.
1.I will come back to my h______ with my parents next week.
2.Do you know the answer to this q______
3.He is b______ these days.We can't almost see him.
4.Qinghai is in the w______ of China.
5.There is a r______ near my grandparents'house.I often swim in it in summer.