. It takes hard work to    ▲   success.（获得）
A foreigner came up to the counter and asked to be shown some    ▲  .（明信片）
. My classmate     ▲    my rubber and forgot to return it.（借）
. Bill Gates is an American     ▲   .（公民）
. I will not make friends with a    ▲    person.（不诚实的）