题目

My uncle will never forget what happened to him yesterday. Towards the evening, he was 【1】(邀请) to an inn. He enjoyed his dinner with his friends, 【2】(喝) a lot of wine As a r【3】, he got drunk. He insisted on driving home after the meal, although his friends tried to 【4】(说服)him not to. A few minutes later, he was winding his w【5】 on the street. And then his car ran 【6】a tall tree. Fortunately, he was still alive, though s【7】 injured. The police came to the scene, and he was taken to hospital. Naturally, he had to 【8】 in hospital for several days. W【9He walked down the hills,                        softly to himself.      A. sing                B. singing                 C. sung                    D. to sing