1.what can you do make sure all your relatives and friends are on the guset li

1.what can you do make sure all your relatives and friends are on the guset li
2.what study habits seems to be common among successful students?
3.what do you think of lives of single mother?
4.what course are useful for one's job?
5.why do some people think sports clothes and shoes provide a good business opportunity?what age groups do you think the business people should target?why?
6.why do some people become alcoholics?how can they solve their drinking problem?
7.if a chemical plant has dump a poisonous substance into river but its closing-down means that many workers will lose their jobs and the local economy will be affected,then what do you propose to do?
请帮忙用英语回答这些回答这些问题,
第一题为
what can you do make sure all your relatives and friends are on the guset list for your birthday party
回答的内容有越长越好