—Are you sure you have to do this now? It's been very late. —I don't know to do it if not now. A. wh...
2022-11-11 15:25:46 55次 江苏省泰兴市2016-2017学年八年级下学期期末考试英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
—Are you sure you have to do this now? It's been very late.
—I don't know to do it if not now.
A. where B. how C. what D. when
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