现在，您品一下这十个词：Challenge，Share，Instead，Manage，Afford，Rather，Ever，Available，Else，Involve.这十个词不仅词意丰富，而且用法多样，下面为您详细地介绍一下它们的常句式，并配有一些例句。
1、Challenge
(1)Challenge sb to do sth 。向…挑战，邀请…比赛
They challenge us to a swimming contest.
(2)to give (accept) a challenge ( 接受 ) 挑战
2、Share
(1)Share 部分，分
Everybody ought to have his proper share.
(2)Share 参与、贡献
I had no share in the mater.
(3)Share (with，between) 分配，共有
They shared the profits between them.
I will share with you in the undertaking.
3、Instead
(1)inste
