--- Mum, have you seen my mobile phone?
---______ you bought last week? I’m afraid I haven’t seen _____．
| A．The one; it | B．The one; one | C．One; it | D．One; one |
I ____ in London for many years, but I’ve never regretted my final decision to move back to China.
| A．lived | B．was living | C．have lived | D．had lived |
The man in black was about to set fire to the house ____ the police came.
| A．while | B．after | C．before | D．when |
. I walked out of the cinema, _____ I’d never come back to this hell.
| A．determining | B．determined | C．to determine | D．determine |
Three hundred firemen raced to the hotel after a smoke detector(检测器)_____ the alarm soon after midnight.
| A．set out | B．set off | C．give away | D．give off |
Can you _____ the point? If you can, please explain it to me.
| A．make sense of | B．make a difference to |
| C．make a remark on | D．have an effect on |