题目内容：

英语翻译
C______ environmentalists expressed their worry over the pollution of the Yangtze River
One of the c______ of this job is that you agree to work abord
It is my teacher's i_________ that made me finally take up my present career as an English teacher
The colonies d_______ their independence from England
由于还有很多工作有待完成,他没有时间休息.
With a lot of work ______ ________ ________ _________,he could spare no time for a rest
他因出色地完成了任务而受到表扬.
He was praised for having ________ ________the mission perfectly