Toaworker,________fromthepointofviewofsocietyisnecessarylaborisfromhisownpointofviewvoluntaryplay.
A、whatA
本题要求填入一个关系代词引导主语从句，并在主语从句中作主语，所以选 what。
—Youwerebraveenoughtoraiseobjectionsatthemeeting.
—Well,nowIregret________that.
Hedeclined_______moreaboutit.
You’d better leave things ________ if you don ’t know how to deal with them
The wounded soldiers would recover quickly if they were well ________.
He declined _______ more about it.
