词汇运用 根据句意或汉语注释，写出单词的正确形式。(本大题共8分，每小题1分)
No one has a better           (嗓音) than Justin Bieber, I think.
The _________(总统) from different countries will watch the shows of Olympic Games..
He showed us a good _________ (榜样) by doing this.
“Holiday” in American English is _________ (假期).
The woman felt _________ (help) and didn’t know what to do next.
Miss Joes makes the _________ (little) money in her family, but she never worries.
“Don’t be shy! Make __________ (you) at home, children.” said Mr. Smith.
The tents over there are those _________ (climb). Please keep an eye on them.