I thought about ______ over and over in my head and finally worked out how to do it. A. what I have ...
2022-11-23 01:08:48 194次 2016届山东平原县五中九年级下学期第一次模拟考英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
I thought about ______ over and over in my head and finally worked out how to do it.
A. what I have to do B. I had to do what
C. what I had to do D. what I to do
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