John’s father went to Nanjing ________ten days ago. A. on duty B. in business C. on business D. on s...
2022-12-31 08:27:06 8次 2014-2015学年江苏清江中学八年级下期中英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
John’s father went to Nanjing ________ten days ago.
A. on duty B. in business
C. on business D. on show
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