UC知道When and where
来源：百度知道 编辑：UC知道 时间：2024/05/11 15:48:14
When and where this took place ____ still unknown.
A：has B：is C：were D：are
A：has B：is C：were D：are
B:is
解释： when and where this took place
是个整体，句子的意思是：（这个事情什么时候在哪发生 ）仍然不被人知，括号内这个整体不被人知道，所以必然是用is , 时态有后边的still unknown可知用一般现在时
when and where 可以看做一个整体，所以后边用单数形式，有提议可知用一般现在时。所以选B.
应该选择B
is
B is
B
when and where have meeting___yet.
在英语提问中,一般是When and where,还是Where and when
where and when 后面接is 还是are ？
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