helping them make their dreams come true is what our jobs are all about.

helping them make their dreams come true is what our jobs are all about.

题目
helping them make their dreams come true is what our jobs are all about.
为什么有个are呢.我觉得应该没有are 才对
答案
helping them make their dreams come true(主语) is (系动词)what our jobs are all about(表语从句).表语从句是个完整的句子,是主系表结构,are就是其系动词.疑问词what是about的介词宾语,做从句引导词时放在...
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