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[求助]一个语法
What is much more difficult to determine [U]is/are [/U]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 |
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