1 . As I know a lot of people need my help, I became an educator. (用动词­ing形式改写)
＝________   a lot of people need my help, I became an educator.

2 . The boy left the room, _________________________________.  
男孩离开了房间, 不知道如何完成那项工作。(v. -ing形式作状语)

3 . ____________ (know) what to do，she went to her parents for help.
由于不知如何是好，她去找父母帮忙。

4 . 他喜欢旅游，因为他渴望更多地了解这个世界。
He likes travelling, because he is ______ ______ ______ more about the world.

5 . 当他们的母亲看到她面前既美味又完美的早餐时，她太惊讶了，不知道该说什么。（“疑问词＋不定式”结构）
When their mother saw the delicious and perfect breakfast in front of her, she________________.

6 . I count myself lucky to __________________ him.
和他相识，我觉得很幸运。

7 . ________________(尽管这次聚会上我谁也不认识), I had a nice time. (根据汉语提示填空)

8 . before引导时间状语从句
The journey has been flying by, and_________(不知不觉中), we have reached Tanggula Station. (根据汉语提示完成句子)

9 . 渴望知道中国传统文化的哪些方面最吸引人，所以我写信来征求你的宝贵意见。(形容词短语作状语)
________ which aspects of traditional Chinese culture most appealing, I am writing to ask for your valuable advice.

10 . 我认识他很多年了，所以我很了解他。
________for many years, so I know him well.