—I had been working till 4∶00 a.m. to prepare a report for my boss.—________you look very tired.
The students are listening to the teacher with their eyes the blackboard.
It was in this house ______ he heard some strange sounds.
----Where did you find the wallet?---- It was at the stadium_____I played football.
Faced with a bill for $ 10,000, ________________ .
He had just reached home _____ a man called to see him.