You can trust Frank. We never doubt ______ he is honest. A. weather B. that C. whether D.if
2022-12-08 07:58:28 15次 2016届江苏南通海安李堡初级中学九年级上学期期中英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
You can trust Frank. We never doubt ______ he is honest.
A. weather B. that C. whether D.if
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