补全对话，将正确答案的序号填在横线上

A. Do you go to school every day? B. What time is it? C. What do you do on Friday? D. What day is it today? E. When do you go to school?

— Morning, David,

—It's Friday.

—

—I go to school

—No, I don't go to school on Saturday and Sunday.

—Oh,

—I always go to school at 7:00.

— Look, it's 6：40. Don't worry, it's early.