短文改错 I used to travel in air a great deal when I was (1) a boy．My parents used t

　I used to travel in air a great deal when I was 

(1) ______

a boy．My parents used to live in the South America

(2) ______

and I used to fly there from Europe in the holidays．

(3) ______

An airhostess would take care me and I never had

(4) ______

an unpleasant experience．I am used to travel by air．

(5) ______

Only on one occasion was I ever felt frightened. 

(6) ______

After taking off, we were flying lower over the city

(7) ______

and slowly gaining height, when a plane suddenly

(8) ______

turned round and fly back to the airport．While we

(9) ______

were waited to land, an airhostess told us to keep

(10)______

calm and to get off the plane quickly as soon as it had touched down．

(1) in→by 

(2) 去掉the

(3) √ 

(4) take care of

(5) travel→travelling 

(6) was→have

(7) lower→low 

(8) a→the

(9) fly→flew 

(10) waited→waiting