So far no one has______ convincing evidence of why dinosaurs died out,and it remains a mystery.

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1. (2017高三上·深圳月考) So far no one has______ convincing evidence of why dinosaurs died out,and it remains a mystery.

A . come about B . come into C . come up with D . come out

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备考2019年高考英语一轮复习10：动词短语