He looked rather untidy as there were two buttons _____ from his coat.
| A．loosing | B．losing | C．off | D．missing |
The climbers __________ their ambition by reaching the summit of the mountain.
| A．obtained | B．sustained | C．maintained | D．realized |
As there was not much chance to find good jobs in their hometown, many young men now tried to __________ their fortune in cities.
| A．find | B．find out |
| C．seek | D．look at |
His words are strongly impressed __________ my memory.
| A．in | B．on | C．at | D．for |
It is __________ to discuss the question again and again.
| A．worth | B．worthy |
| C．worthwhile | D．worth of while |
__________ it will take me six weeks, I am determined to finish the job.
| A．Even | B．If even |
| C．Even if | D．If |