Don’t to tell us if you have a problem．We’re friends，aren’t we?
| A．worry | B．apologize | C．promise | D．hesitate |
The students are listening to the teacher with their eyes the blackboard.
| A．fixing on | B．fixing to | C．fixed on | D．fixed to |
It was in this house ______ he heard some strange sounds.
| A．that | B．where | C．which | D．who |
----Where did you find the wallet?
---- It was at the stadium_____I played football.
| A．That | B．there | C．which | D．where |
Faced with a bill for $ 10,000, ________________ .
| A．John has taken an extra job | B．the boss has given John an extra job. |
| C．an extra job has been taken | D．an extra job has been given to John. |
He had just reached home _____ a man called to see him.
| A．while | B．after | C．until | D．when |