根据下列句子所给汉语意思或单词首字母，写出空缺处各单词的正确形式。

1. Xiao Wang felt frustrated that a lot of ________ (顾客) went to a newly-opened small restaurant.

2. There still ________ (存在) a rare animal on that lonely island.

3. "You did a bad job!" She ________ (叹息).

4. Many famous ________ (物理学家) brought up their different ideas at the meeting.

5. ________ (暴力的) criminals like that are a danger to society.

6. For lack of food, the old man s________ to death.

7. I don't mind a________ to others if I make a mistake.

8. While eating dumplings, the Chinese people are used to putting some v________ on them.

9. Mark Twain was well-known for some of his n________ set in his boyhood world on the Mississippi River.

10. It's really u________ that such a little boy can achieve such a big success.