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Mybrothercaughtabadcoldthreedaysago.同意句转换~Threedays__sincemybrothercaughtabadcold.呵呵..

题目详情
My brother caught a bad cold three days ago.
同意句转换~
Three days _ _ since my brother caught a bad cold.
呵呵..
▼优质解答
答案和解析
have passed
Three days (have ,passed) since my brother caught a bad cold.