having a party to have a celebration.

　　解析：考查非谓语动词。句意：已经按时完成工程，全体员工正在举行宴会庆祝。完成工程发生在庆祝会之前，完成与主语为主动关系，故用现在分词的完成式。

　　8.__ Having failed__(fail)to reach them on the phone，we sent anemail instead.

　　解析：考查非谓语动词的用法。"__ to reach them on the phone"在句中作状语，逻辑主语we与fail之间为主动关系，先是没用电话联系上，我们才发的邮件，fail发生在send之前，所以用现在分词的完成式。句意为"由于没用电话联系上他们，我们给他们发了电子邮件"。

　　9.__ Coming__(come)from a mountain village，he couldn't afford a house in Shanghai.

　　解析："__ from a mountain village"在题目中作原因状语，come与逻辑主语he之间是主动关系。故用现在分词作状语。句意为"因为来自于一个小山村，他在上海买不起房子"。

　　10.(2014·福建，27改编)__ Having spent__(spend)the past yearas an exchange student in Hong Kong，Linda appears moremature than those of her age.

　　解析：考查非谓语动词作状语。分词的完成形式，表示发生在主句谓语动词之前的动作。句意为：去年作为一名交换生在香港大学学习了一年之后，琳达看起来要比那些同龄的孩子更加成熟。

　　Ⅱ.将下列各句中的－ing形式转换成相应的从句形式(定语从句、状语从句或并列句)

　　1.All those standing at the back，please come and sit here.

　　__All those who are standing at the back， please come and sit here.__

　　2.The poor of the city，having lived such a hard life，fought against the rich in the end.

　　__The poor of the city， who had lived such a hard life， fought against the rich in the end.__

3.Who was the man shaking hands with our English teacher just now？