—Li Ping, your cousin speaks fluent English, like a native speaker.
—No wonder. He once _____ in New York for two years as a visiting professor.
| A．had worked | B．has worked | C．worked | D．has been working |
As a manager, I know my emotions will affect people around me, so I’m going to make a ____ effort to be more cheerful.
| A．precious | B．curious | C．mysterious | D．conscious |
Playing on a frozen sports field sounds like a lot of fun. Isn't it rather risky, ____?
| A．either | B．also | C．though | D．too |
He____ in London for many years, but he has never regretted his final decision to move back to China.
| A．lived | B．was living | C．have lived | D．had lived |
In considering people for jobs, we give ____ to those with some experience.
| A．decision | B．attempt | C．preference | D．reputation |
I’m sorry I didn’t phone you, but I’ve been very busy____ the past couple weeks.
| A．beyond | B．over | C．with | D．among |