题目内容：

根据短文内容，用括号内所给动词的适当形式填空，必要时可加助动词或情态动词。

My friend Peter was always having accidents. He did not pay attention to (注意) what he was doing or where he was going.

A few months ago, a car 1.(hit) him when he went home from school. The driver was a bit tired, so he 2. (not see) Peter. At that time Peter was talking on his mobile phone and3.(ride) in the middle of the road. The car ran into him. He broke his leg and was in hospital for over a month.

Last week, he 4.(fall) down a hole in the park. As usual, he was not looking where he was going. Some kind-hearted people in the park helped him 5.(climb) out of the hole and then took him to hospital because his leg hurt a little bit. At the hospital, the doctors gave him some medicine and then he went home.

I always told him 6.(be) careful, but he did not listen to me. After the two accidents, Peter promised to take my advice. Now he is very careful. He 7.look) after himself very well.