单项选择题
A．a Scottish song which says good-bye to old friends B．a Scottish song that welcomes the coming of the new year C．a song sung by the Scottish people only D．a Scottish song remembering obi friends and good times
A．to take an experienced pilot in a plane B．to be taken up into the air in a plane by an officer C．to fly a commercial plane D．to talk about his ideas
A．the students to fly the plane all the time B．all students to fly the plane C．the students who were not frightened to fly on their own D．some students to fly a little while