In 1778, Banks was elected ________president of the Royal Society, ________position he held for 42 years.
| A．/, a | B．/ , the | C．the, a | D．the, the |
. Although Miss Black began her _______ by singing in a local pop group, she is now a famous singer in the world.
| A．employment | B．career | C．occupation | D．profession |
Mike’s temper and personality show that he can become a soldier of the top _______.
| A．circle | B．rank | C．category | D．grade |
. —Why are you so frightened?
—I saw two dark _______ enter the building.
| A．shades | B．appearances | C．shadows | D．figures |
The next morning Mr. Smithson spoke his mind to his wife in a very straightforward _______.
| A．route | B．method | C．manner | D．pattern |
The world has twice as much shipbuilding _______ as it needed in the 1980s.
| A．capacity | B．potential | C．ability | D．possibility |