狗是人类最好的朋友，请写一篇"我最喜爱的动物——狗"的英语短文。
我有一只可爱的狗，它有两只大耳朵和一双明亮的大眼睛，毛是棕色的。我的狗非常聪明能干，它帮我做了很多有用的事情，例如：看护房子、问候客人、帮助老人，它成了我家的一部分。
要求：（1）根据提示把握要点；（2）可适当增加细节，以使行文连贯；（3）不少于80个单词。

【考点】记叙文；环境保护．

【答案】My favorite animal -- dog    I like dogs，because they are man's good friends.I have a lovely dog，its name is Lucky.It has two big ears and a pair of bright eyes.Its hair is brown.My dog is very smart and capable，which helps me to do many useful things，such as guarding our house，greeting guests，helping the old，and so on.Every day my dog can play football with me，I am very happy with him，So it's treated like a member of my family.