When he was born and where he grew up ____ still unknown
题目
When he was born and where he grew up ____ still unknown
a.is b.are c.was d.be
选B,这样用单复有什么规律?
答案
"When he was born and where he grew up" 这两个对象,are still unknown.这句话意思是“他在哪生的和在哪长大的”这两件事还是未知的.因为是两件事,复数,所以用are.如果是"when he was born"就用“is still unkown...
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