题目内容：

Today, dogs are found  1.  (help) to all who fly in airplanes. They are trained to smell, track, and find bombs on planes and in luggage. Dogs are easy to train because they already have deep connection to humans. Many of these dogs are donated to the safety program, where they2. (give) a good home. The partnership between dogs and humans allows each to profit from the special talents of the other as they work together  3.（save）lives.