Unluckily, when I dropped in , Dr. Smith ____, so we only had time for a few words.
| A．was just leaving | B．has just left | C．had just left | D．just left |
Everyone here thanks the firefighters for the things they have done to prevent fires________the environment safer.
| A．to make |
| B．to making |
| C．from making |
| D．make |
He tried to________to cook a meal on the island but he failed.
| A．light fire |
| B．make a fire |
| C．make fire |
| D．set fire |
Bajin, for________experiences were dangerous and unforgettable, was an old man always telling the truth.
| A．whom |
| B．whose |
| C．that |
| D．which |
________bird flu outbreak has killed 545 chickens and ducks in________central China and led authorities to destroy 2,487 others.
| A．The; the |
| B．The; 不填 |
| C．A; the |
| D．A; 不填 |
We are all________to see that child________.
| A．pleasing, smiled |
| B．pleased, smiled |
| C．pleasing, smiling |
| D．pleased, smiling |