选择题：—I fell and hurt myself while I ______ basketball yesterday.A was playing B am p

题目分类：大学英语B级
题目类型：选择题
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题目内容：

—I fell and hurt myself while I ______ basketball yesterday.

A was playing B am playing C play D played

参考答案：

答案解析：

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分类：大学英语B级题型：选择题