【42.---Sorry,Joe.Ididnotmeanto…--Don’tcallme“Joe”,IamMr.Parkertoyou,and_D___youforgetit!A.doB.didn’tC.didD.don’t26.Butforwater,it_C___impossibletoliveintheearth.A.isB.wouldC.wereD.wouldn’tbe54.Asyouknow,】

　　42.---Sorry,Joe.Ididnotmeanto…

　　--Don’tcallme“Joe”,IamMr.Parkertoyou,and_D___youforgetit!

　　A.doB.didn’tC.didD.don’t

　　26.Butforwater,it_C___impossibletoliveintheearth.

　　A.isB.wouldC.wereD.wouldn’tbe

　　54.Asyouknow,Iamadisabledman,butIwouldbehappyifI__A_ofservicetoyou.

　　A.amB.havebeenC.shouldbeD.wouldbe1

　　为什么选以上答案,分别涉及到什么知识点?