You ______ the examination again since you had already passed it.a. needn’t have taken b. didn’t need to take c. needn’t take d. mustn’t take
It has always been the _____ of our firm to encourage workers to take part in social activities.
The most important _____ of his speech was that we should all work whole-heartedly for the people.
When I worked as the general manager of the firm, I sometimes had _____ to visit London on business.
The managing director promised that he would _____ me as soon as he had any further information.
These plastic flowers look so _____ that many people think they are real.