15．On the surface （At first thought）, it （this） may seem a sound （an attractive） suggestion （solution / idea）, but careful weighing on the mind （on closer analysis / on second thought）, we find that…

16．Too much emphasis placed on （attention paid to / importance attached to）…may obscure （overlook / neglect） other facts….

17．The danger （problem / fact / truth / point） is that….

18．What the arguer fails to understand （consider / mention） is that….

19．However just （logical / sound / valid） this argument may be, it only skims the surface of the problem.

20．Among the most convincing （important） reasons given （cited / offered / identified） by people for…, one should be stressed （emphasized / mentioned）.

21．As far as I am concerned, however, I believe that….

22．I believe that the title statement is valid because （of）….

23．I agree with the above statement because I believe that….

24．Although I appreciate that…, I cannot agree with the title statement.

25．There is a public controversy nowadays over the issue of…. Those who object to…argue that…. But people who favor…, on the other hand, argue that….

26．Currently （In recent years / In the past few years / For many years now）, there is （has been） a（n） general （widespread / growing / widely held） feeling towards （concern over / attitude towards / trend towards / awareness of / realization of / illusion of / belief in）….

27．Now it is commonly （widely / generally / increasingly） believed （thought / held / accepted/ felt / recognized / acknowledged） that…. But I wonder （doubt） whether….

28．These days we are often told that （often hear about）…, but is this really the case?