Which of the following underlined parts is different in pronunciation from others

Great changes _____ in China in the past 30 years and many Chinese are living a happy life today

151. The passenger _____ at his watch and found that it was too late when he arrived the railway station.

__________he was busy, _________he often helped us with our studies.

I wanted two seatsMadame Gurie for Friday night, so I rang the cinema to seeif I could book two tickets