五、阅读下面的短文,按要求完成后面的小题。
Hi, my name is Li Gang. I study in a high school now. It seems that my life has changed a lot in the past few years. ① For example, I used to be short, but now ______. I used to have long hair, but now I have short hair because I have no time to take care of it. I used to be afraid of the sea because I didn't know how to swim, but now I am a good swimmer in our school. As for eating, I used to have meat and junk food but now I like eating vegetables and fruit.
When I was a child, I didn't read any books, but now I often read some storybooks. I used to play ping - pong with my friends after school, but now I have to go home at once and do my homework. I used to hate math and I used to be afraid of tests, but now I like all the subjects and never mind any tests. I used to have time to chat with my friends online. ② now, I'm, too... to, busy, but, do, it. (.) How I miss my old days!
1. Li Gang used to have long hair, didn't he?
2. Why did Li Gang use to be afraid of the sea?
3. 请将文中①处句子补充完整,使文意通顺、正确。(不超过5个词)
For example, I used to be short, but now .
4. 请将文中②处画线部分连词成句(标点符号已在括号内给出)。
5. What is the passage mainly about?

1. Yes，he did. 2. Because he didn't know how to swim. 3. I'm taller. /I grow taller.（答案符合题意，表达正确即可） 4. But now I'm too busy to do it. /But I'm too busy to do it now. 5. Li Gang's growth.（答案符合题意，表达正确即可）