LawrenceCravenistheauthorofsev

更新 2022-09-03
科目英语
题型单选题
难度中等
浏览 266

Lawrence Craven is the author of several published reports, one of _____ introduced the idea _____ aspirin could reduce the risk of heart attacks.

A．them; when	B．which; that
C．what; that	D．which; when

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