根据所给汉语提示完成句子。 1. It's hard for the old v
题型：填空题
问题：
根据所给汉语提示完成句子。
1. It's hard for the old villagers _____ (谋生) in big cities.
2. They stayed at home _____ (一直) because of the heavy rain,
3. The boy practiced basketball very hard _____ (为了) become a professional basketball player.
4. Many athletes _____ (捐钱给慈善机构) to help poor people.
5. If you don't work hard now, you'll never _____ (上大学).