根据题目所给首字母和汉语提示完成句子。

1. My most e             moment was trying to introduce a woman whose name I couldn't remember.

2. I would a             it if you could let me know in advance whether or not you would be coming.

3. What was her              (反应) to the news.

4. The Internet is the biggest source of information in the world, and it's             (可进入的) through

    a computer.

5. Both of them got flu, but their              (症状) were different.