Listen! One of the boys ______ in the room. A. singing B. sings C. is singing D. are singing
2023-01-03 09:43:49 62次 2014-2015学年辽宁丹东第七中学七年级下期中考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Listen! One of the boys ______ in the room.
A. singing B. sings
C. is singing D. are singing
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