Read the text and answer question.
[1] The pilot of a Beech Baron airplane noticed that one of
his engines was on fire. He contacted the nearest air traffic
control center to ask for help.
The voice __________ the radio answered, “This is the
[5] Control Tower. “Please inform your altitude”.
The pilot replied, “We are at 30,000 feet”.
Choose the best alternative to complete the blank in the text.
