It is useful to science _______ the earth as an object in space.
C
暂无解析
Ababymightshowfearofanunfamiliaradult,_______heislikelytosmileandreachouttoanotherinfant.
________tothepapersisrestrictedtoDefenseDepartmentpersonnelonly.
Aftersomanydayswithoutrain,thegroundquickly________thelittlerainthatfelllastnight.
Theassociationis________toraisingfundstohelptheblind.