________， the car stopped all at once.
| A．Seeing a boy lying on the ground |
| B．On seeing a boy sitting on the road |
| C．The driver saw a boy standing on the road |
| D．The minute the driver saw a boy seated on the road |
It’s impossible for him to escape ________ this time; he made such a big mistake.
| A．to punish | B．punishing | C．being punished | D．having punished |
_________ the exercises, we went on to learn the new words in the next unit.
| A．Finished | B．To finish | C．Having finished | D．Finishing |
—________ You look very depressed. —I failed the driving test again.
| A．So what? | B．Take your time. | C．What’s up? | D．Not to worry. |
What depressed her was that although she kept waving her hand, nobody seemed _______ her new watch.
| A．noticing | B．to have been noticed | C．to have noticed | D．having noticed |
______ which school was suitable for their son, the parents visited lots of different primary schools in the city.
| A．Finding | B．Being found | C．Found | D．To find |