Thepoorcountriesareextremely_______tointernationaleconomicfluctuations
Allherhardwork__________intheend,andshefinallypassedtheexam.
________somanypeopleintheUnitedStatesbeenoutofworkastoday.
________withthesizeofthewholeearth,thehighestmountainsdonotseemhighatall.