Whenever you meet with difficulties, you can ask the policeman ____help. We can see many policemen in the street in Zhengzhou every day.
David talked with a friend of ____ on the Internet for a long time yesterday.
--- The windows are broken and need to be repaired.--- I think so. They can hardly _____ the cold now.
On holidays, they prefer to _____ at home rather than _____.
The old should _____ well.
--- Sorry, I’m late.--- It doesn’t matter. The meeting _____ just for several minutes.