When she was alone at home，Mary needed a friend __________.
| A．playing with | B．having played with |
| C．with whom to play with | D．with whom to play |
We were just about ready to leave _____ it started to snow.
| A．when | B．before |
| C．after | D．since |
_____ the government agrees to give extra money , the theatre will have to close.
| A．Until | B．Unless |
| C．Since | D．While |
Will you deliver, _____ do I have to come to the shop to collect the goods?
| A．and | B．or |
| C．so | D．then |
They stayed up until midnight _____ the old year out and the new year in.
| A．and saw | B．to see |
| C．seeing | D．for seeing |
If the car won’t start, _____ it.
| A．try push | B．try pushing |
| C．to try pushing | D．to try to push |