Itisestimatedthat，currently,about50，000speciesbecome_____everyyear．
Allherhardwork__________intheend，andshefinallypassedtheexam．
Theteamplayedhardbecausethechampionshipofthestatewas______.
Johnsaysthathispresentjobdoesnotprovidehimwithenough______forhisorganizingability.
Afterhisuncledied，theyoungman_____thebeautifulestatewithwhichhechangedfromapoormantoawealthynoble．
TheinteractionsbetweenChinaandtheUSwillsurelyhaveasignificant_______on.peaceandstabilityintheAsia.—Pacificregionandtheworldasawhole.