-Your grandfather often does Tai Chi in the park. -Yeah, bad weather stops him. A. when B. since C. ...
2022-11-12 02:58:24 160次 2015年初中毕业升学考试（山东莱芜卷）英语（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
-Your grandfather often does Tai Chi in the park.
-Yeah, bad weather stops him.
A. when B. since C. unless D. because
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