Mr Black has two sons, one of ________working as a doctor. A. them B. who C. whom D. whose
2022-12-01 18:22:43 150次 2015届安徽省高二上学期期中考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Mr Black has two sons, one of ________working as a
doctor.
A.
them B.
who C.
whom D.
whose
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