一 Why do you choose to work in an international travel agency?一 Well, you know, English is my  . So it is my best choice.

“Tommy, run! Be quick! The house is on fire!” the mother shouted, with ________ clearly in her voice.

I keep medicines on the top shelf, out of the children’s       .

Father went to his doctor for＿＿＿＿＿about his heart trouble．

The teacher suggested we do the exercises with great ________ though they were easy.