____ the young people keep learning it, they can pass on Dai culture from generation to generation.
On May 12, 2008, southwestern China was hit by an 8.0 Richter scale earthquake, from _____ effects the people are still suffering.
---How many ________ are there in your school? ---There are fifty-five.
It was in the street ______ I met John yesterday.
---Who is that woman? ---She is ________ mother.
When she came back from abroad, Lucy told us about the cities and the people ____ she had visited.