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– Susan , why are you still here ? They are all ready to start.
– I’m sorry, but I ________ when to start.
A. didn’t tell             B. haven’t told                C. wasn’t told

科目 英语   题型 单选题   难度 较易
知识点: 主语+系动词+表语 时态辨析 比较介词 语态的辨析
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