问题
选择题
When 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
答案：D
题目分析：句意：什么时候去带薪休假还没有决定呢。主语是疑问词+不定式的时候，谓语是单数，而且和yet连用，应该是现在完成时，所以选D。