The Olympic Games are held _____.
| A．for four years | B．each four year |
| C．every four years | D．every fourth year |
When day dawned , the stars __________ of sight.
| A．kept away | B．faded out |
| C．faded into | D．died out |
Agriculturalists are very popular with the farmers as they are________ agricultural science and technology.
| A．in great need of | B．in greatly need of |
| C．greatly need of | D．very much need of |
She thought herself _______ to her friends because her family was rich.
| A．higher | B．better | C．richer | D．superior |
He is not very confident and always _______ before making a decision.
| A．considers | B．hesitates | C．reflects | D．waits |
Charles Darwin considered ______ to be the process by which evolution took place.
| A．adjust | B．accompany | C．abandon | D． adaptation |