________ to sunlight for too much time will do harm to one’s skin.
| A．Exposed | B．Having exposed |
| C．Being exposed | D．After being exposed |
The climbers _____ their ambition by reaching the summit of the mountain.
| A．obtained | B．sustained | C．maintained | D．realized |
. It has always been the _____ of our firm to encourage workers to take part in social activities.
| A．plan | B．campaign | C．procedure | D．policy |
The most important _____ of his speech was that we should all work whole-heartedly for the people.
| A．element | B．spot | C．sense | D．point |
When I worked as the general manager of the firm, I sometimes had _____ to visit London on business.
| A．opportunity | B．possibility | C．occasion | D．chance |
The managing director promised that he would _____ me as soon as he had any further information.
| A．communicate | B．notice | C．notify | D．note |