A rich father took his son on a trip to a village. He wanted to show his son what are the differences ______ their life and the villagers’, so that his son could cherish(珍爱)what he had. They spent______ a few days with a family there.

On their way back home, the father ______ about his son’s ideas about the trip. So he asked,“ ______ was the trip?”

“It was great, Dad!”

“What did you learn from the trip?”the father couldn’t   ______ to ask. The son answered, “We have one dog but the family has four. We have a swimming pool. but they have a big river with many ______ swimming in it. We have very expensive lights, but they have_____ stars at night. We buy food in the supermarket, but they   ______ food in their garden for themselves. We have walls around the house to protect us, ______ they have friends to protect them. Dad, thank you for ______ me how poor we are.”

The father couldn’t say anything, and he just stood there quietly.