⑴When is Teachers' Day? ____              A.Autumn.

⑵Is the singing contest in May?____        B.We have English and art.

⑶Which season do you like best?____     C.They will go to the Great Wall.

⑷What do you have on Tuesdays?____             D.Yes,it is.

⑸What will the students do in May?____         E.It's in September.

如图所示，直线AB交CD于点O，OE平分∠BOD，OF平分∠COB，∠AOD：∠EOD=4：1，则∠AOF=____．

 ____  ____   ____= ____