Three years ago，a society was set up to________the endangered animal and plant life from dying out in this area.
| A．obtain | B．preserve |
| C．observe | D．deserve |
It might be very difficult to find the ____ of the information.
| A．cause | B．resource | C．source | D．course |
Even though she has many ______, I _______ any less.
| A．faults; don’t fond of her | B．shortcomings; don’t love her |
| C．errors; don’t like her | D．mistakes, am not fond of her |
We have to ______ a time to discuss the matter again.
| A．make | B．schedule | C．have | D．create |
Ever since my brother graduated from the university, he _______ in the present company for 15 years and he is now chief engineer of the company .
| A．worked | B．has been working | C．is working | D．works |
The athlete fell off his bike when he _____ down the hill.
| A．cycled | B．was cycling | C．had cycled | D．is cycling |