题目详情
单选题 What is the predicate verb (谓语动词) of the sentence "His experiences and rich encounters in China convinced him that the plan to write a 'single slim volume' on the history of science in China needed to be re-thought"
A. experiences
B. write
C. convinced
D. needed

学科:默认课程
时间:2025-12-27 23:02:41
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