题目内容：

Alan went to play football with his friends at once after he finished his homework.（改为同义句）
Alan went to play football with his friends at once after he finished his homework（改为同义句）
_____ _____ _____ he finished his homework,.Alan went to play football with his friends.

优质解答

As soon as 一..就
不明白的再问哟,请及时采纳,多谢 !