问题
选择题
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
答案
答案：D
D不定式作主语，谓语动词用单数。
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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：D
D不定式作主语，谓语动词用单数。