.___________is hard is to do good all one's life and never do anything bad.
Almost everyone has his own strengths and weakness.It isothers are weak thatmaybe you have a great advantage.
Not having work out the problem,leave the office.
Nowadays, many people walk to workCopenhagen Conference calling for living a low-carbon lifestyle to cope with global warning.
Don't be so discouraged.If yousuch feeling,you will do better next time.
—What are you busy with? —The conferencein our city next week.