用所给词的适当形式完成句子 . 1. It is said that it becomes the longest day when the _ (summer) comes. 2. They often help us to hold some _ (organize) games after school. 3. My brother wants to be a (history) so he studies history in the university. 4. The old man often _ (pray) the god to give him some money. 5. All the _ (enemy) had run away when we got there.