语法填空
One day a rich man took his son on a trip to the country. He wanted to show his son how the poor
lived so he could be thankful __1_ his wealth.
They spent a couple of days and nights on the farm of 2 would be considered a very poor family.
On their return the father asked his son 3 (explain) what he had learnt. The boy, who had remained
silent and deep in thought on the journey home, 4 (reply) in a way that shocked his father.
The boy said he wanted to become a farmer. He envied the farmers who had the beautiful night stars
to give them light 5 his family had only expensive lanterns. His wish was to have a farm 6 he could
go swimming in an endless river instead of the garden pool in their home. Finally he asked his father, "
What makes us safer, large walls around our house 7 friends that will protect us?"
The boy finished by saying, " 8 the trip I thought we were rich, but today I learnt who is 9 (true)
rich." With this the boy got up and walked away, leaving his father sitting on their comfortable sofa, totally 10 (speech)．