________ the course very difficult, she decided to move to a lower level.
| A．Find | B．Finding |
| C．To find | D．Found |
—I have won the first prize in the recent English contest.—______________!
| A．Congratulations | B．Cheers |
C．Best wishes | D．Good luck |
I hurried back home only ________ that I had left my key at my office.
| A．to find | B．finding |
C．having found | D．found |
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. |