1.Althoughthepopularbeliefisthat…,acurrent(new/recent)study(survey/poll/investigation)indicates(shows/demonstrates)that… 
  2.Commonsensetellsusthat… 
  3.Theincrease(change/failure/success)in…mainly(largely/partly)resultsfrom(arisesfrom/isbecauseof)… 
  4.Theincrease(change/failure/success)in…isdueto(owingto/attributableto)thefactthat… 
  5.Manypeoplewouldclaimthat… 
  6.Onemayattribute(ascribe/owe)theincrease(decrease/change)to…,but…isnotbyitselfanadequateexplanation. 
  7.Oneofthereasonsgivenfor…isthat… 
  8.Whatisalsoworthnoticingisthat… 
  9.Therearemany(different/several/anumberof/avarietyof)causes(reasons)forthisdramatic(marked/significant)growth(change/decline/increase)in..First,…Second,…Finally,…   10.Thereisnoevidencetosuggestthat… 
  11.Whyare(is/do/did)…?Foronething,…Foranother,… 
  12.AnotherreasonwhyIdisputetheabovestatementisthat… 
  13.Itgivesriseto(leadto/bring/create)ahostofproblems(consequences). 
  14.Therearenumerousreasonswhy…,andIshallhereexploreonlyafewofthemostimportantones. 
  15.Itwillexert(have/produce)profound(far-reaching/remarkable/considerable/beneficial/favorable/undesirable/disastrous)effect(influence)on… 
  16.Amultitudeoffactorscouldaccountfor(contributeto/leadto/resultin/influence)thechange(increase/decrease/success/failure/development)in… 
  17.In1999,itincreased(rose/jumped/shotup)from5to10percentofthetotal(to15percent/by15percent). 
  18.Bycomparisonwith1998,itdecreased(dropped/fell)from10to5percent(to15percent/by15percent). 
  19.Itaccountfor15percentofthetotal. 
  20.Therewere100trafficaccidentsinApril,andincreaseof5percentinafive-monthperiod. 
  21.By1999,only(lessthan/morethan/almost/about/over/asmanyas)threequarters(40percentof/oneoutoffive/oneinfour)collegepopulation(graduates/housewives)asagainst(ascomparedwith)lastyear(1998)preferredto(liked)…