Comments

a.You hear you neighbour's car stereo every night. Give him/her a good reason to turn it down, e.g. Your studying.
Dear Bob,

             I must do my homework every night. So, I need a silent environment. I expect that you can turn your car down and do not made it stereo at night.

b.Remind your aunt Helen about yout guaduation next month--you really want her to come.
Dear Helen,

              I really hope you can take part in my graduation next month. Please do not forget that.

c.Tell Mrs.Wang at ICB you enjoyed meeting her and that you will be working together a lot next year.
Dear Mrs.Wang,

               I enjoyed meeting you at ICB and that we will be working together a lot next year.

d.Apologize to Sue about forgetting her birthday. Send her some theatre tickets.
Dear Sue,

            I am very sorry to you that I forgot your birthday.I would send some theatre tickets to you and I hope you can accept these.

e.You are fed up with your employees:they must take their job seriously or there will be some firing soon.
Announcement:
                I found you have not enough ability to do these work, you must take you job seriously,or I will fire you soon.

f.Thank Alex for the loan of his video camera--you got some great shots.
Dear Alex,

             Thanks for you to loan your video camera to me.I got some great shots.