初中英语改错题

I have arrived here for three days.
Look!The boys are visitting the Great Wall.
It’s very important learn English well.
How do you think of the city?
I’ve heard the newest news.
I have caught these fish for about an hour.
I’ve found my pen.I forgot it on the desk.
I’ve never seen such an animal somewhere.
Have you finished to read all these newspapers and magazines?
Have they tried to send informations to us?