When and where to have the party( )yetA has not been decided B have not been decided C has not decided Dhave not decided

问题描述:

When and where to have the party( )yet
A has not been decided B have not been decided C has not decided Dhave not decided

a
省略了主语it

a
主语从句
when and where是一个整体,所以用has
应用被动语态

a主语从句

I just don't know what do you want ?

a

A