It’s said that this kind of plant only gives off this strange perfume on ________ conditions which the scientists are trying to figure out now.
| A．outstanding | B．certain |
C．obvious | D．ordinary |
______ the day went on, the weather got worse.
| A．With | B．Since | C．While | D．As |
---- Which city will be host city for the next Olympic Games?
---- London.
| A．a | B．/ | C．the | D．an |
He tried to deal with the ever-increasing burden of his work，but finally _____ and had to take a complete rest.
| A．broke away | B．broke up |
| C．broke down | D．broke out |
Being a capable woman，Nancy _____ to be considered as merely a housewife.
| A．agrees | B．admits |
| C．refuses | D．rejects |
Women’s earnings are well below men’s _____ educational differences that are decreasing between the two sexes.
| A．in favor of | B．in case of |
| C．in terms of | D．in spite of |