根据下面短文内容，在短文的空格处填上一个恰当的词，使短文完整、通顺。
I had many dreams. They were different  each other. They were interesting for me.
When I was very young, only 3 years old, I wanted to   a policeman.   he could catch thieves. In my dream he was very brave.
I wanted to be a famous doctor when I was 5 years old. I usually saw a doctor save people’s   . I thought it was a good job.
Now I am 14 years old. I’m a middle school student. I have a new dream.I want to be a diplomat(外交官). Because I like English very much. I like   , too.I know there are many wonderful places. So I will my best to study English well. I am sure I will succeed. I have confidence in   , I hope my dream can come     .