Thepoorcountriesareextremely_______tointernationaleconomicfluctuations

Tomplacedthebanknotes，_________thechangeandreceipts，backinthedrawer．

Applicantsshouldnotethatallpositionsare——toAustraliancitizenshiprequirements．

Idon’tthinkyou'llchangehismind；oncehe’sdecidedonsosomethinghetendsto_____it.

Itisestimatedthat，currently,about50，000speciesbecome_____everyyear．