That was so serious a matter that I had no choice but _____ the police.
| A．called in | B．calling in | C．call in | D．to call in |
Sometimes proper answers are not far to seek ________ food safety problems.
| A．in | B．to | C．on | D．after |
He was a good student and scored ________ average in most subjects.
| A．below | B．of | C．on | D．above |
I would like a job which pays more，but ________ I enjoy the work I'm doing at the moment.
| A．in other words | B．on the other hand |
| C．for one thing | D．as a matter of fact |
His efforts to raise money for his program were ________ because no one showed any intention to take a cent out of their pockets.
| A．in place | B．in sight | C．in effect | D．in vain |
We hadn't planned to meet.We met ________ chance.
| A．of | B．in | C．for | D．by |