What is much more difficult to determine is/are the reason for their decoration, the use to which primitive people put the caves, and the meaning of the magnificently depicted animals
这种情况下划线处应该用is 还是用 are 呀
应该看what,还是后面3个并列的名词呀
谢谢作者: vagrant 时间: 2004-4-6 11:09
is
of course作者: sunnyrain 时间: 2004-4-18 10:32
谢谢，但谁能帮我解释一下为什么用is?
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