帮我翻译5句英语句子，请不要使用翻译软件，那会有很多错误。

1. Let him decide by himself, after all, he is no longer a child.
2. The greater the city, the more prbolems occur.
3. This kind of animal existed 1.5 million years ago.
4. The child was quite brave, since he has saved three classmates of him in the earthquake.
5. The most people i admire are those who have brought honour to our motherland.
6. To tell the truth, I care most about my parents' health.

1.Let him decide, After all, he is no longer a child.
2.The greater the city, the more questions will occur .
3.The animal had existed in 1.5 million years ago.
4.The child is really brave, he had saved three of his classmates in the earthquake.
5.The person I honour most is that those who add lustre to the country.
6.To tell the truth, I care about most is parents' health.

1, Let he decide himself. After all, he is no longer a child.

2, The greater the city, the more the problems occur.

3, This animal once existed before 1.5 million years ago.

4, The child is really brave, because he has saved three of his classmates in the earthquake.

5, I most honour those who make contributions to the country.

6, To tell the truth, I care my parents' health most.

Let him decide, since he is no longer a little kid
The larger a city gets, the more problems will occur to it
this animal once exited 1.5million years ago
this child is so brave that he saved three of his classmates during the earthquake
who i respect most are those who bring honours for the country
to be honest, what i care most is the health of my parents