If human beings had been a bit less greedy and cruel, more birds and animals _______dying out.
| A．ought to avoid | B．could have been avoided |
| C．should have avoided | D．might have avoided |
To people's great surprise, in Japan Earthquake, a young man ________ the big earthquake under the ruins where he stayed 7 days without anything to eat.
| A．lived | B．stayed | C．survived | D．remained |
The meeting lasted as long as three hours and I couldn't ____________ it until 10 p．m..
| A．get away from | B．get away with |
| C．run away with | D．do away with |
—Have you known Dr. Jackson for a long time?
—Yes，since she ________ the Chinese Society.
| A．has joined | B．joins |
| C．had joined | D．joined |
Progress ________ so far very good and we are sure that the work will be finished on time.
| A．was | B．had been | C．has been | D．will be |
—Why don't you go home?
—Because a lot of work________yet.
| A．hasn't finished | B．hasn't been finished |
| C．has been finished | D．haven't finished |