Children knock____ Uncle Wang’s door. He gives them some candy ___ a treat. A. on, as B.on , of C. a...
2022-12-14 16:12:44 110次 2015-2016学年江苏灌云圩丰中学七年级上学期第二次质检英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Children knock____ Uncle Wang’s door. He gives them some candy ___ a treat.
A. on, as B.on , of
C. at , on D. at , of
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