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英语 初中 · 七年级 外研版 · 七年级下册 单选题 ★★☆☆☆ 编号 #10494
He has rich ___ in teaching beginners how to swim.
A. experiences
B. experience
C. experienced
D. experiment
章节：名词词义辨析 · 知识点：名词词义辨析·不可数名词的辨识 · 标签：名词词义辨析,词汇辨析
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