--ZhangYining has trained continuously for six hours. --______ she is tired out.
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.