1. (2019九上·长兴月考) 选择方框内的单词完成下列句子，使句子通顺、正确。每词限用一次。

A. silent   B. heroes   C. patients   D. correct   E. thirtieth   F. Australian

1. （1） My uncle is a doctor and he is friendly to all his.
3. （2） To me，my father is one of the greatest  in the world.
5. （3） Who can tell me the answer to this problem?
7. （4） They live on the floor and they take the lift up and down.
9. （5） The foreigner said that he was a(n)，and was studying Chinese culture in Beijing.
11. （6） If you don't want to say anything，just remain.