题目内容：

阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空白处填入一个适当的词或使用括号中词语的正确形式填空。

Do you want to be a pilot when you grow  1.？A pilot is a person who flies 2. airplane.In a big airplane，there are always two  3.(pilot)and one engineer. When one pilot  4.(take)a rest，the other one will control(控制)the airplane.The engineer checks the engines and makes sure that they are 5.(work)well.There are many things  6.(help)the pilots fly the airplane.The compass(指南针)lets them know the directions(方向)，7. the radio lets them talk to people at the airport.Radio messages are very 8.(importance)．They let the pilots know the weather and what is happening.They also let the people in the airport know what is happening in the airplane.When there are no radio messages  9. the airplane，the people at the airport will send search planes  10.(look)for it because that may mean an accident.