题目内容：

 

1.. It takes hard work to    ▲    success.（获得）

2. A foreigner came up to the counter and asked to be shown some    ▲   .（明信片）

3.. My classmate     ▲     my rubber and forgot to return it.（借）

4.. Bill Gates is an American     ▲    .（公民）

5.. I will not make friends with a    ▲     person.（不诚实的）