题目内容
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
解析:
解析:
|
根据副词 yet可确定用现在完成时;when and where to do sth.表示单数概念。 |
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