It is estimated that ，currently, about 50，000 species become _____every year ．
A
暂无解析
Allherhardwork__________intheend，andshefinallypassedtheexam．
About20ofthepassengerswhowereinjuredinaplanecrasharesaidtobein_____condition．
Tomplacedthebanknotes，_________thechangeandreceipts，backinthedrawer．
Johnsaysthathispresentjobdoesnotprovidehimwithenough______forhisorganizingability.
TheopportunitytoexploreandplayandtheencouragementtodosoCan________theperformanceofmanychildren．