45. If the wind doesn’t _____ before three o’clock, we will not be able to take off today.
| A．do up | B．go down | C．go by | D．go out |
It is not socially ____ for parents to leave children unattended at that age.
| A．accessible | B．adorable | C．adaptable | D．acceptable |
Fitness is important in sport, but of at least ______ importance are skills.
| A．fair | B．reasonable | C．equal | D．proper |
—Why didn’t you tell him about the meeting?—He rushed out of the room_____I could say a word.
| A．before | B．until | C．when | D．after |
According to statistics, a man is more than twice as likely to die of skin cancer _________ a woman.
| A．than | B．such | C．so | D．as |
As there is less and less coal and oil, scientists are exploring new ways of making use of ______ energy, such as sunlight, wind and water for power and fuel.
| A．primary | B．alternative | C．instant | D．unique |