— I wonder what makes you a successful manager.
— I _______ as a waiter for five years, which contributes a lot to my today’s work.
| A．serve | B．have served |
| C．had served | D．served |
He is known _____ his being on time, so we don’t know the reason ____ his being late this time.
| A．for; of | B．as; for | C．for; for | D．of; of |
I _____ in a foreign company for five years. Still, I don’t regret giving up the well-paid job.
| A．worked | B．have worked | C．was working | D．had worked |
He is not a man to get along with, and I never feel ________ in his company.
| A．with ease | B．at ease | C．for ease | D．in ease |
_____ New York _______ London are two of the largest cities in the world.
| A．Either; or | B．Both; and |
| C．Neither; nor | D．Not only; but also |
John was so sleepy that he could hardly keep his eyes ______.
| A．open | B．to be opened | C．to open | D．opening |