词形变化:
1."9.11"causedagreathorrorintheworld,andthe____(murder)arestillatlarge.
2.HavetheOlympicGames_____(ending)?
3.Hisfaceis____(face)thesouthoftherivertopracticesinging.
4.Ipulledthehandleas_____(hard)asIcould.
5.Tomisthe_____(strong)ofthetwoyoungmen.
6.Weshouldspeaktothemeven______(polite).