根据括号内的汉语提示，完成句子。 1. When he was in his _
题型：填空题
问题：
根据括号内的汉语提示，完成句子。
1. When he was in his ______ (四十多岁), he took an active part in the battle against the Qing dynasty.
2. There are many new______ (发现) in recent years.
3. Spitting in public is ______ (禁止), everybody should have good habits.
4. It's ______ (必要的) for us to master computer technology.
5. ______ (大体) speaking, different star signs have different characteristics.
6. An old man was found ______ (躺在) on the road.
