Alan knew the answer _____ the problem, but he didn’t want to tell me. A. for B. about C. of D. to
2022-10-18 03:46:44 96次 人教新目标八年级英语上册Unit 2 Section B 3a-Self Check课时训练 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
Alan knew the answer _____ the problem, but he didn’t want to tell me.
A. for B. about C. of D. to
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