To make members of a team perform better, the trainer first of all has to know their ______ and weaknesses.
I ____ in London for many years, but I’ve never regretted my final decision to move back to China.
The man in black was about to set fire to the house ____ the police came.
. I walked out of the cinema, _____ I’d never come back to this hell.
Three hundred firemen raced to the hotel after a smoke detector(检测器)_____ the alarm soon after midnight.
Can you _____ the point? If you can, please explain it to me.