--Why does the lake smell terrible?
--Because large quantities of water _______.
| A．have polluted | B．is being polluted |
| C．has been polluted | D．have been polluted |
Every means __________ prevent the water from __________.
| A．are used to; polluting |
| B．get used to; polluting |
| C．is used to; polluted |
| D．is used to; being polluted |
That salesman __________ me to buy his MP4，but it doesn't work well now.
| A．advised | B．persuaded |
| C．preferred | D．expected |
Doctors __________ him again and again to give up __________.
| A．suggested; drink | B．advised; drinking |
| C．talked; to drink | D．discussed; drinking |
He trusts you. Maybe you are able to __________ him to give up that foolish idea.
| A．advise | B．make |
| C．have | D．persuade |
Only Edward can lift that heavy stone because he is a man with great __________.
| A．force | B．size |
| C．energy | D．strength |