When he was born and where he grew up ____ still unknowna.is b.ar_英语解答

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?

人气：106 ℃　时间：2019-12-13 15:25:12

解答

"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...