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74:nobody is sure where and when the expression apple pie order began .where and when 从句的成分

分类: 作业答案 • 2021-12-23 10:41:34

问题描述：

74:nobody is sure where and when the expression apple pie order began .where and when 从句的成分
where and when the expression apple pie order began 在句中充当什么成份呀?

答

定语从句充当表语和前面的is sure.组成系表结构.

74:nobody is sure where and when the expression apple pie order began .where and when 从句的成分

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