—What about going swimming this afternoon? —You ______ be joking! Don't you know I'm afraid of water...
2022-12-29 04:01:46 184次 2015年初中毕业升学考试（黑龙江龙东卷）英语（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
—What about going swimming this afternoon?
—You ______ be joking! Don't you know I'm afraid of water?
A. may B. can C. must
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