Mr. Green drove slowly on the way home until he reached the high way, ______ the speed limit was 60 miles per hour.
—Who knows where Terry is?—The reason __________ Terry is absent is __________ his father had an accident.
__________ you have finished this programme, can you talk about our plan for holiday trip now?
I was about to leave __________ someone knocked at the door.
I __________ what he said and I __________ him.
—I wonder why Tom left without a word. —He __________ have had some trouble, for he looked dull.