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In Mary's class, there are a few of tall boys. Tom is tall and fat. He's 155 centimetres tall, but he is only eight years old. Mike is ________ than Tom. He is 154 centimetres tall, but he is ________ than Tom. He is 10 years old. Jack is ________ than Tom and Mike. He is 152 centimetres tall. Jack is 9 years old. He is ________ than Mike but ________ than Tom.