I don’t think________possible to finish so much work within so short a time.
| A．this | B．that | C．its | D．it |
He was fortunate ____ he did not get injured in the car accident.
| A．but that | B．except that |
| C．because of that | D．in that |
He hasn’t decided _____ he will go abroad next year.
| A．whether | B．when |
| C．where | D．why |
The old man turned his business over to his younger son, ________made his elder son discouraged.
| A．who | B．what |
| C．that | D．which |
Stand _____ you are, and I will come and help you.
| A．while | B．where |
| C．which | D．what |
Keep away from the dog , _______it will bite you.
| A．and | B．so |
| C．or | D．but |