⑴ Lihua’ s leg was seriously hurt，which made (making) his conduct a little strange./leading to his strange conduct.

⑵ His fellow students made fun of him，at which he was annoyed./because of it, he..

⑶ At first，he had difficulty in adapting to his disability in many ways.

⑷ In other words，he didn’t have access to many things like basketball and football. /have no access to sth

⑸ The doctor told him to do some special training，as well as having adequate rest，which would be beneficial to his recovery from the injury.