给我一些关于be doing形式的英语习题

完成下面的句子：

1) Being a student ,he was interested in books. 作为一个学生，他对书本很感兴趣。 （原因状语）

2) Not having studied very hard, he failed the examinations. 因为没有努力学习功课，他考试不及格。（原因状语）

3) The question being discussed is very important. 正在被讨论的问题很重要。（定语）

4) Having been criticized by the teacher, he gave up smoking. 被老师批评以后，他把烟戒了。（时间状语）

5) I noticed an old man fishing by the river . 我注意到有一位老人在河边钓鱼。（补语）

6) They saw him driving a black car . 他们看见他开着一辆黑色的小车。（补语）

7) The sleeping child has just been given an injection.这个酣睡的孩子刚被打过针。（定语 ）

8) Not knowing his address , I could do nothing but stay at home and wait. 不知道他的地址，我只好在家里等着。（原因状语）

9) Having finished the exercises , we went on to learn the new words in the next unit.做完作业之后，我们接着学习下个单元的生词。（时间状语 ）

10) He is often heard singing in the garden . 人们常