__________ such heavy pollution already, it may now be too late to clean up the river.
| A．Having suffered | B．Suffering |
| C．To suffer | D．Suffered |
If you keep on, you'll succeed __________.
| A．in time |
| B．at one time |
| C．at the same time |
| D．on time |
—Mr Wang was caught in a snowstorm yesterday.
—I have known that, and__________his new car was completely destroyed.
| A．hopefully | B．fortunately | C．thankfully | D．unfortunately |
The police __________ the building hoping to catch the thief.
| A．looked for |
| B．searched for |
| C．found out |
| D．went through |
I always start the day by __________ my mail.
| A．going into |
| B．going over |
| C．going through |
| D．getting through |
The eruption of volcano __________ by an earthquake caused great damage.
| A．accompanied |
| B．companies |
| C．companions |
| D．accomplished |