Dear father and mother,
I am writting to you to express(或者 tell you ) my worry about your health.In order to creat better living conditions for me, you have been working so hard that you forget taking good care of yourselves. I know you love me ,but I love you too. My wish is for everyone be healthy.
Here are some suggestions to keep healthy, I hope they can help you. Firstly, you can walk to work if you have no time to do morning exercise. Secondly, doing exercise at least once a week. Finally,don't stay up to finish your work.
Yours ,
Peter
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