The practice of hanging clothes across the street is a common ______ in many parts of the city.
The city is familiar __________ because I studied here for four years.
We are at your service. Don't __________ to turn to us if you have any further problems.
You can __________ five things that __________ Chinese culture.
There are 30 people __________ in the traffic accident but the injured __________ rescued at once.
He came here __________.