the problem of land erosion(侵蚀)getting more serious, the local government is searching for a way to deal with it.
. Kate's ambition to become a nurse _____ from a desire to help others.
The island where these rare birds nest has been declared a _____.
Although John was the eldest in the family, he always let his sister _____ charge of the house.
The child enjoyed _____ up the wooden bricks then knocking them down.
John was very upset because he was _____ by the police with breaking the law.