We aretaught that a business letter should be written in a formal style ____ in apersonal one

Look at the timetable (时刻表)Hurry up! Flight 4026 _______ off at 18:20

Are you________me of lying to the headmaster?— I’m sure you did.[ ]

John as well as the other children who ______ no parents ______ good care of in the center.

We were all_______ at the_______ news.