题目：
根据句意及首字母提示补全单词。
1. They're on v _____ in Shanghai right now.
2. He has a wide k _____ of painting and music.
3. How much does it cost to become a m _____ ?
4. "Jim paints well" means he is a good p_____.
5. "Take a s _____ "means "take a bath".
答案：
1. vacation 2. knowledge 3. member 4. painter 5. shower
