【正文】
sthe most fundamental/adequate/petent reason is…(. Why is there a growing drift toward powerseeking insociety? 10 It is no easy/simple task/job to furnish/identify/findevery reason / cause for sth., but/while, on the whole,three/some factors shout louder/weigh heavier thanothers/stand out from others.(. It is no easy job to find every reason for the increase inthe number of teenagers who run away from their homes, but,on the whole, two factors shout louder than others.11 In view of this situation/drift/boom/social disorder/drasticchange, people put forward/advance/suggest/propose twocountermoves/countermeasures:…(. In view of this population boom in large cities, peoplehave e up with two countermeasures: dispersal of citypopulation and development of an underground city.12 From the suggested solutions (to…/measures(against…/plans (for . /moves (toward…/ideas (on…, two havebegun to stand/stick out, namely .(. 略13 There are believed/expected/supposed to be twoeffective measures/practical schemes/workable ideas/soundsolutions, one of which is…(. There are believed to two workable ideas on preventionof teenage pregnancy, one of which is the sex education of teenagers.14 Topromote/suppress/cultivate/popularize