写作:1, 你家要搞一个celebretion, 写信请朋友参加。包括1 解释why invite friend to come, 2, your plan in the celebretion,3 what you want your friend do .
2,some countries insist that all men, sometimes some women, be compulsory for entering the military service, what the benifits of military service ? and some people say that if there is no military service in some countries, should young people be made to community work? give your reasons with your own experiences.