题目内容：

I was invited to attend the party _____ to celebrate the Millennium
A.to hold
B.held
C.having been held
D.having held
选哪个?为什么
把题目的意思解释一下

优质解答

B party 后面的部分都是定语从句,补充说明party的,本来应该是the party that is held to celebrate the Millennium,即"为庆祝千禧年而举行的派对"在这里,party 应该是被举行,所以是"is held"将"that is"省略,就成为...