20. I got up early this morning, but I ________ so because I was not on duty today.
The letter he had been looking forward to________at last this morning.
Though Tom was impolite to the new teacher,she________him his rudeness.
_______not to miss the flight at 15∶20,the manager set out for the airport in a hurry.
—John looks a bit upset.Did you tell him the bad news?—Yes,but I________him after his birthday party.
The weather turned out to be fine yesterday.You ________the trouble to carry your raincoat with you.