20．Joe bought a farm in the east of the country．He began to build a house on it．Then his new neighbor said to him，"The weather is often very bad here．The wind's very strong，and it breaks windows and doors．You must build a room under the ground and then you can be safe from the wind．"So Joe built a room under the ground．It was a lot of work．But after that，the weather was good for a very long time．There was no wind．Joe was not happy．He said，"Why did I listen to my neighbor？I didn't have to make that room under the ground．"But then one day there was a very strong wind，and Joe and his family had to go down to their room under the ground．When the wind stopped，they came up．All the windows and doors in their house were broken．He went to his neighbor's and said："Thank you very much for your advice（建議）． You are so helpful．"
56．Where did Joe buy a farm？
In the east of the country
57．What did his neighbor ask him to do？
To build a room under the ground
58．Was the work easy or difficult？
It was difficult．/Difficult
59．How did Joe feel when the weather was fine for a long time？
He was not happy．/He felt unhappy．/Unhappy
60．What did Joe think of Joe's new neighbor？
He was helpful．/Helpful．
