问题补充：
8、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
答案：
A. are not decided
B. have not been decided
C. is not being decided
(答案→)D. has not been decided
解析：可联系答案网客服索取此答案。
