Which of the following underlined parts in different in pronunciation？（　　）

Christine is selling her house，but on ______ other hand she doesn't want to move．（　　）

We won!The honor belongs ______ all the member of our team．（　　）

Shirley is still waiting for her flight to New York City ____ the airport．（　　）

The headmaster introduced ______ to the German visitors before the welcome party．（　　）