Let'sdrink_______Dicks'successinbusiness.
A、ofSinceWilliamhadbeenseriouslyillforseveralmonths,hisparentswereworriedabout________toreturntoschoolfull-time.
It is useful to science _______ the earth as an object in space.
Theassociationis________toraisingfundstohelptheblind.
Thestudentfoundthenovel_______.Itprovidedhimwithsomuchinformationaboutthesubject.
________withthesizeofthewholeearth,thehighestmountainsdonotseemhighatall.