When the United Nations founded?A. isB. areC. wasD. were

发布时间:2020-08-16 11:52:30


When        the United Nations founded?
A. is
B. are
C. was
D. were

网友回答

A. is
B. are
(答案→)C. was
D. were
解析:本题的含义是联合国何时被建立,表示的是过去的事件,主语为不可数名词,故用was,故本题选C。
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