TheteachersaidthatJane________workharderthefollowingsemester.
Thisisanimportantproblem_______toofewsocialscientistshaveresearched.
analysis,criteria,diabetes,gentry,pants,physicsa.Singularonly:________________________________________b.Pluralonly:__________________________________________
翻译：Aswesaidpreviously,itisonlyinviewofourlongfriendlyrelationsthatweextendyouthisaccommodation