I need help now! I have to fix a leaking pipe in my bathroom but I’m not sure ______to begin. A. wha...
2022-09-25 19:00:35 39次 北京市海淀区2018届高三二模英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
I need help now! I have to fix a leaking pipe in my bathroom but I’m not sure ______to begin.
A. what B. which
C. where D. when
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