Passage One Questions 26 to 28 are based on the passage you have just heard.

A．To show the key role played by air traffic controllers.
B．To show the great responsibility shouldered by the pilots.
C．To give an example of air disasters.
D．To show that air travel is far safer than driving a car.

A．She has finished only one step.
B．She doesn’t have any more time for redecorating.
C．It’s time for the work to be finished.
D．The redecorating is being done gradually.