________withthesizeofthewholeearth,thehighestmountainsdonotseemhighatall.
Iboughtthiseighteenthcenturywritingdeskataquite________price.
Humanbehaviorismostlyaproductoflearning________thebehaviorofanimalsdependsmainlyoninstinct.
Theoppositionleaders________thegovernmentfornottakingactionsooner.
Idon'tknowhowwecanmake________onthetimetableforanymorecourses.