完形填空

When the plane circled over the airport , everyone felt that something was wrong . The plane was moving unsteadily through the air , and【A1】 the passengers had fastened their seat belts , they were suddenly thrown forward . At the moment , the air-hostess【A2】. She looked very pale but quite calm . Speaking quickly but almost in a whisper she【A3】everyone that the pilot had fainted and asked if any one of the passengers knew anything about machines or at【A4】how to drive a car . After a moment's hesitation , a man got up and followed the hostess into the pilot's cabin.

Moving the pilot【A5】 the man took his seat and listened carefully to the urgent instructions that were being sent by radio from the airport【A6】 . The plane was now dangerously close to the ground , but to everyone's【A7】, it soon began to climb . The man had to circle the airport several times in order to become【A8】 with the controls . But the danger had not yet passed . The terrible 【A9】 came when he had to land . Following instructions , the man guided the plane toward the airfield . It shook violently 【A10】 it touched the ground and then moved rapidly along the runway and after a long run it stopped safely .