We often hear him __________. He is happy all day. A. singing B. sings C. sing D. to sing
2022-11-04 18:07:42 205次 牛津译林版8上 Unit 7单元测试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容:
We often hear him __________. He is happy all day.
A. singing B. sings C. sing D. to sing
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