More and more people are willing to______part of their incomes to the school children in the poverty areas.

Come on, everyone! We must be the first to complete the poster for the charity show.—Sure.____________.

There are four people in .

Tu Youyou is famous ____ her medical research and won the Nobel Prize this year.

Police can easily recognize your fingerprints by machine, because every person’s fingerprints are __________. [ ]