__________ and out of breath, we reached the top of the mountain and stopped __________ the beautiful scenery.
| A．Tiring; to admire |
| B．Being tired; admiring |
| C．Tired; to admire |
| D．Tired; admiring |
The driver _____ for the accident had not been driving carefully.
| A．blamed | B．being blamed |
| C．to be blamed | D．blaming |
You should read the _________ in the car repair manual (手册) carefully before you start to work on it.
| A．instructions | B．descriptions |
| C．introductions | D．explanations |
_____ to nuclear radiation, even for a short time, may produce variants (变异体) of genes in human bodies.
| A．Exposed | B．Being exposed |
| C．Having exposed | D．After being exposed |
The discovery of new evidence led to _________.
| A．the thief having caught |
| B．catch the thief |
| C．the thief to be caught |
| D．the thief being caught |
You have made a ______. You have _____ two lines from this paragraph
| A．mistake; left over | B．mistake; left for |
| C．mistake; left out | D．mistake; left behind |