求下列英语句子的翻译！！急求答案！！

1 You should try to catch up with your classmates.（语气要是想在强烈点可以在try后加your best)
2 Sorry, I don't agree on your idea.
3 Nice to meet you again.
4 Where has Mrs and Mr Brown gone?
5 I was just not at home when you called me.
6 Light travels much faster than sound.

楼上那两位，最后一句大众翻译的吧，连谓语都没有。

1. You should try to catch up with your classmates.
2. Sorry, I don't agree with you.
3. Nice to meet you again.
4. Where do Brown and his wife go?
5. When you called, I just was not at home.
6. Light must faster than the speed of sound.

1.You should strive to catch up with your classmates
2.sorry, I do not agree with you
3.I'm so glad to see you again
4.where are the Brown and his wife ？
5.When you call, I just was not at home
6.Light faster than the speed of sound more