Itisestimatedthat，currently,about50，000speciesbecome_____everyyear．

TheinteractionsbetweenChinaandtheUSwillsurelyhaveasignificant_______on.peaceandstabilityintheAsia.—Pacificregionandtheworldasawhole.

Idon’tthinkyou'llchangehismind；oncehe’sdecidedonsosomethinghetendsto_____it.

Themanageriscallingona______customertryingtotalkhimintosigningthecontract．

Inordertolivethekindoflifewewantandtobethepersonwewanttobe，wehavetodomorethanjust________withevents．