Thetwogirlscompetedwitheachother______thehighestmark.
A
compete for: 比赛 …夺取 compete against/with: 和…竞赛句意:这两个女孩互相竞争,以取得最高分。
Decisiononwhetherthemessageisrightorwrongshouldatleastcomeafter_____whatthemessageis.
Thenewdiscovery_______beofgreatservicetomankind.