1 . I found that the work I was doing had been done by other people — ________ ________ ________, I was wasting my time.
我发现我在做别人已经完成了的工作，换句话说，我是在浪费时间。

2 . 地位高的人想买对自己精准勾勒的自画像。
People ________ ________ ________ wanted to purchase accurate pictures of themselves.

4 . Why did your friend ______ ______ (拒绝) your invitation? (根据汉语提示完成句子)

5 . The medical team _________ _________ _________ _________ (由……组成) three doctors and seven nurses now. (根据汉语提示完成句子)

6 . They are all great offers from large companies, and I couldn’t _________ _________ (拒绝) any of them. (根据汉语提示完成句子)

7 . I, _________ _________ _________ (代表) our class, welcome you warmly and sincerely. (根据汉语提示完成句子)

8 . On hearing the good news, the girl burst __________ tears with relief. (用适当的词填空)

9 . The only approach__________solving the problem is discussing it at the conference. (用适当的词填空)

10 . Most of employers are planning to cut down on wages __________ __________ __________ (答复，应对) the economic depression. (根据汉语提示完成句子)