Your friends were all worried about _______ you were sick. A．that B．which C．what D．the fact that
2022-12-17 07:16:54 55次 2015届新疆乌鲁木齐市高一下学期期中考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Your friends were all worried about _______ you were
sick.
A．that B．which C．what D．the fact that
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