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sorry,I'm late .The traffic A is busy Bsorry,I'm late .The traffic A is busy B is crowd C are crowded

题目详情
sorry,I'm late .The traffic A is busy B
sorry,I'm late .The traffic A is busy B is crowd C are crowded
▼优质解答
答案和解析
B主语 谓语 宾语 主语为物时 谓语用第一人称单数