请问
A typical example is that once trapped by passing exams with only"correct answers"from textbooks,youngsters would gradually lose the motivation of truth-seeking.
once引导的条件状从 为啥没有主语呢 是因为和表从主语一致,省略了么 如果是 那为啥谓语trapped没有被动啊
麻烦老师指点
once (they are) trapped by passing exams with only "correct answers" from textbooks, youngsters...
once引导的条件句省略了与主句相同的主语和动词be.
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