题目：
根据句意及首字母提示完成句子。
1. I'm going s________for this vacation.
2. I like the w________in Kunming. It's neither too hot nor too cold.
3. Who e________wants to go sightseeing except Peter?
4. You should go out for a walk to r________yourself.
答案：
1. sightseeing 2. weather 3. else 4. relax
