A-A+
When and where to go for the on-salary holiday
问题详情
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
参考答案
D不定式做主语,谓语动词用单数形式。再者,此处应用现在完成时。