﹣Where is Tom？ ﹣He is busy______ his homework． He didn't finish it yesterday． A. doing B. does C. do...
2022-09-26 12:43:14 158次 福建省龙岩市2017-2018学年七年级（下）期末英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
﹣Where is Tom？ ﹣He is busy______ his homework． He didn't finish it yesterday．
A. doing B. does C. do
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