这篇改错的答案是什么呀?H)When Peter was a boy,he likes (1) watches and

这篇改错的答案是什么呀?
H)
When Peter was a boy,he likes (1) watches and clocks very much.When he was eighteen years old,he began to teach him (2) to mend watches.A lot of his friends brought him broken watches,and he mended it (3) when he was free.
One day,a policeman heared (4) about this and brought him a watch and said,“My watch has stopped.Can you mend it to (5)me,please?”
Peter said,“Yes,sir.I can.” After a few days (6),he brought the watch back to the policeman.
“How many (7) do I give you?” the policeman asked.
“Two dollars,sir,” Peter answered.Then he took (8) a small box out of his pocket and gave it for (9)the policeman.“Here are three wheels from your watch.I didn’t find a place for them when I put anything (10) back.
1._________ 2._________ 3._________
4._________ 5._________ 6._________
7._________ 8._________ 9._________
10._________