to sunlight for too much time will do harm to one’s skin.

____the problem of land erosion(侵蚀) getting more serious, the government is searching for a way to deal with it. 

The teacher couldn’t make himself ____ attention to because students were addicted to the short message.

Are you good at                 ?

______ to their dream universities, all the Senior Three students in the City of Longyan are devoted to their studies.