题目内容：

根据给出的首字母或汉语提示，写出所缺单词，使句子意义完整、语法正确。

1.His success inspired all the talented teenagers to s________ for their music dream.

2.If you are not certain about the results you find, consult other websites to _______(确认) it.

3.The professor will d______ a speech concerning environmental protection.

4.The city of Haikou is really a(n) ____________(给人深刻印象的) place to visitors.

5.We _______(遗憾) to inform you that your application has not been approved.

6.The shy girl was encouraged to o_______ her shyness.

7.To make your argument more c_________, you should provide more supporting evidence.

8.People raise their hands as a_________(手势) of greeting.

9.Then he had the idea that he could use different shapes to r______ different things.

10.It is necessary to find an _________(方法) to change the present situation.