阅读下面短文,在空白处填入1个适当的单词或使用括号内单词的正确形式填空。
As the plane circled over the airport, everyone sensed that
something was wrong. The plane was moving {#blank#}1{#/blank#} (steady) through the air, and although
the passengers {#blank#}2{#/blank#} (fasten) their seat belts, they were
suddenly thrown forward. At that moment, the air – hostess presented. She
looked very pale, {#blank#}3{#/blank#} was quite calm .Speaking quickly and
almost in a whisper, she informed everyone that the pilot had fainted and asked
if any of the {#blank#}4{#/blank#} (passenger) knew anything about
machines. After a moment's hesitation, {#blank#}5{#/blank#} man got up and followed the hostess
into the pilot's cabin. Moving the pilot aside, the man took his seat and
listened carefully to the urgent instructions that {#blank#}6{#/blank#} (send) by radio from the airport
below. To everyone's relief, the plane, {#blank#}7{#/blank#} was dangerously close to the ground at
the moment, soon began to climb. The man had to circle the airport several
times to become familiar {#blank#}8{#/blank#} the controls of the plane. The {#blank#}9{#/blank#} (critically) moment came when he had
to land. The man, {#blank#}10{#/blank#} (follow) the instructions, guided the
plane toward the airfield, and it landed safely after a long run along the
runway.