Ⅰ.根据句意及中文提示完成句子
1. She receives a ______（奖励）for playing the Chinese flute in the music festival.
2. The ______（平均）temperature in summer here is 28℃.
3. If you're too ______（懒惰的），you'll never finish your homework on time.
4. Did you ______（参加）the meeting yesterday?
5. She is too ______（害羞的）to speak in front of the class.
6. It's a ______（乐事）to help you with your project.
7. In ______（事实），he failed the test because he didn't study.
8. Sarah is very ______（外向的）—she loves making new friends.
9. China has the largest ______（人口）in the world.
10. The weather today is ______（宜人的）—not too hot or cold.
11. I usually read books in my ______（空闲的）time.
12. To get good grades，you need to be ______（努力工作的）.
13. The doctor looked ______（严肃的）when he told me the news.

Ⅱ.写出下列单词的比较级
1. tall ______
2. fast ______
3. funny ______
4. lazy ______
5. loud ______
6. slim ______
7. little ______
8. serious ______
9. high ______
10. shy ______
11. late ______
12. early ______