I never doubt ________this English dictionary is of great _________ to me. A. that, helpful B. if, h...
2022-09-28 13:23:19 183次 河北省2019届九年级上学期期末考试英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
I never doubt ________this English dictionary is of great _________ to me.
A. that, helpful B. if, help C. whether, helpful D. that, help
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