问题

When and where to go for the on-salary holiday _____ yet

A:are not decided
B:have not been decided
C:is not being decided
D:has not been decided

正确答案是：

同类题型

Let us take care of the house while you are away，________？[ ]

It worried her a bit _____________ her hair was turning grey

_____ do they go to the movies — Three times a week.

Either you or I _______ right.