This year is the Year of the Dog. So dogs are the most popular animals of this year. They are our ______  (1)  __________ friends. There  ________  (2)  ________ many different dogs in the world. Dogs can live for about 15 years. How  _______  (3)  _________ is your dog? Two years? That is about 14 years old in human years. Dogs have very great ears and noses. ________  (4)  ________ they can't  ________  (5)  ________ as well as men. They're colorblind (色盲的). They're also great and can do  _______  (6)  _________ of jobs. They can be police dogs, sniffer dogs, rescue dogs, shepherd dogs and guide dogs.

    Norman is a superstar dog  _______  (7)  _________ America. This year he is 10 years old. He can ride a bike (骑自行车) very  ____  (8)  ____________. Norman's owner, Karen Coob, is a dog trainer (训练师). She ________  (9)  ________ Norman how to ride a bike. She really loves the good dog. Norman is her ________  (10)  ________, just like her son.