21. A) File a lawsuit against the man.          B) Ask the man for compensation.
   C) Have the man’s apple tree cut down.      D) Throw garbage into the man’s yard.
22. A) He was ready to make a concession.      B) He was not intimidated.
   C) He was not prepared to go to court.      D) He was a bit concerned.
Questions 23 to 25are based on the conversation you have just heard.
23. A) Bad weather.                  B) Human error.
   C) Breakdown of the engines.        D) Failure of the communications system.
24. A) Two thousand feet.              B) Twelve thousand feet.
   C) Twenty thousand feet.            D) Twenty-two thousand feet.
25. A) Accurate communication is of utmost importance.
   B) pilots should be able to speak several foreign languages.
   C) Air controllers should keep a close watch on the weather.
   D) Cooperation between pilots and air controllers is essential.