While we _______ football in the classroom, the teacher came in.
A:were play
B:were playing
C:are playing
D:played
某人的血型是AB血型,若需要输血,最好输( )
李明同学去欧洲某国旅游,目睹了斗牛士的精彩表演,由此可见李明去的国家是( )
①有求必应,爽快答应
②必要时向老师汇报
③不去,给自己招惹麻烦的事最好不管
④和小明一起分析事情的经过,对小明进行劝导