Only then___________how much damage had beencau 16.Only then___________how much damage had beencaused. ( 全国 2) A.she realized B.she hadrealized C.had sherealized D.did she realize D 30._______homework did we have to do that we had no time to take a rest. ( 福建 ) A.So much B.Toomuch C.Toolittle D.Solittle