---Mary was being badly treated when John happened to pass by and helped her out
---I think it was not a pure______but had been well planned.
| A．coincidence | B．occurrence | C．arrangement | D．incident |
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 |
____is known to us all is that the old worker, ____life was hard in the past, still works hard in his seventies.
| A．As, whom | B．What, whom | C．It, whose | D．What, whose |