正在挨家挨户地送报纸。find sb.doing sth."发现某人正在做某事"，delivering在此作宾语补足语。

　　7．It seems that they provide us with an __encouraging__ (encourage) situation，but in fact we are __faced__ (face)with a lot of difficult problems.

　　解析：考查分词作定语的用法。句意：似乎他们为我们提供了鼓舞人心的形势，但实际上我们还面临着很多困难。encouraging令人鼓舞的，鼓舞人心的；encouraged感到鼓舞的；受鼓励的。face作动词时为及物动词，表面对，面临，face＝ be faced with。第二空如要用facing，则后无需加with。

　　8．People seldom realize the voice needs looking after.Many people below the age of 65 are left __sounding__ (sound)much older than they are.

　　解析：考查非谓语动词。句意：人们很少意识到声音也常要保护，很多65岁以下的老人听起来要比实际年龄老。题干中的后半部分转换成主动语态后应为：...leave many people below the age of 65 sounding much older than they are。现在分词短语sounding much older than they are在句子中作主语补足语，sound和many people below the age of 65在逻辑关系上为主动关系。

　　9．With the car __breaking__ (break) down halfway on the road，we had to wait for help coming.

　　解析：考查非谓语动词。句意：由于汽车在半路上坏了，我们只好等待援助的到来。car与break之间是逻辑上的主谓关系，故用现在分词形式作宾语补足语。

　　10．Jane，__having struggled__ (struggle) for months to find a job as a travel agent，finally got one as a waitress.

　　解析：考查非谓语动词。句意：简经过数月寻找一个旅游代理人的职位，最终得到了一份当女服务员的工作。此处强调动作的先后，且此处非谓语动词短语相当于一个非限制性定语从句，即：who had struggled for months to find a job as a travel agent。

　　11．The film was really __moving__ (move).We were greatly __moved__ (move) while seeing it.

解析：考查分词作表语。film与move之间是逻辑上的主动关系，故第一