1．I am surprised that you should have been fooled by such a simple (简单的) trick.
2．So it’s high time that we should take immediate action to deal with the urgent situation (形势，局面).
3．What I am concerned about is whether they could fit in with society (社会) and how we can create more opportunities for them.
4．To his g reat sorrow (悲伤；悲痛), his good friend died in a car accident yesterday.
5．Whatever your works are, they will show your talents on such a special (特殊的) occasion .
6．Today’s activity has taught us the new meaning of the spirit (精神) of Lei Feng.
7．The government took immediate measures and the disease was prevented from spreading (传播)．
8．The staff (全体职员) are not very happy about the latest pay increase.
9．We have reached a stage (阶段，时期) where we must start taking effective measures to protect the environment so as to save ourselves.
10．The waste water, when released, should be clean enough to meet standards (标准)．
