1. (2018·滨州) 根据句意，用方框中所给单词的适当形式填空。

hero    imagine    different    person    we

1. （1） It's bad manners to ask others questions, such as age and marriage.
3. （2） Helping others is helping, so we should try our best to help those in need.
5. （3） Through watching Amazing China, We can't stop what our country will be like in 50 years.
7. （4） Many people don't always see things the same way so they may describe the same person.
   
9. （5） Liu Chuanjian, the captain of Sichuan Airlines 3U8633 flight, is considered to be one of our national.