8.Do you know the reason____he was late?

8.Do you know the reason____he was late? do you know the reason____he was late (for whick/for what /o Do you know the reason-----he was late for school. 】Do you know the reason ____ he was late? Do you know why the train_____ _____?请问是填was late 还是 is late Do you know the r_____ why he was late for school? Do you know the r____ why he was late for school? Do you know ________ he was late for school today? Do you know the boy to whom she was talking=Do you know the Do you know what was worng with the boy?Do you know what ___ A:When was the telephone invented,do you know? Do you know who was the last_____the classroom last night?