You can go out with your friends, but you _____ come back home before 10 o'clock.
A:may
B:would
C:can
D:must
如图,矩形ABCD中,E是BC上一点,连接AE,将矩形沿AE翻折,使点B落在CD边F处,连接AF,在AF上取点O,以O为圆心,OF长为半径作⊙O与AD相切于点P.若AB=6,BC=3 3 ,则下列结论:①F是CD的中点;②⊙O的半径是2;③AE= 92 CE;④S阴影= 32 .其中正确结论的序号是____.
①陈独秀 ②*** ③董必武 ④李大钊
读《巩乃斯的马》回答问题
作者说“我见过了;见过了”,作者见到了什么?