根据句意、首字母和汉语意思完成单词。
1. When you a______ in Beijing, please call me.
2. Your mother is w______ for you at the school gate.
3. When you visit someone, please k______ at the door.
4. I often help my mother w______ the dishes.
5. —Why are you late today? —B______ I get up late.
