Which plan is better will be announced later.(连接形容词which在从句中作名词plan的定语) 哪个计划更好稍后会宣布。
3)whatever,whoever,whomever,whichever
whatever等连接词与what等连接代词的用法一样,只是具有较强的语意,有"凡是、不管、无论"等意思。如:
Whatever he said wasn't true.
他说的任何事情都不是事实。
Whoever guesses what I have in my hand may have it.
不管谁猜对了我手里拿的东西,这东西就给他(她)。
Whichever book you choose is yours.
无论你选中哪本书都归你。