He saw some boys near the river when he passed by. A. to play B. play C. playing D. are playing
2022-11-14 04:39:13 38次 牛津译林版英语九年级下 Unit1 测试卷（word版附答案） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
He saw some boys near the river when he passed by.
A. to play B. play C. playing D. are playing
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