1. Describe how to housebreak a puppy. 描述如何做幼犬适应家居。
2. Pet owners should housebreak their dogs and cats. 宠物主人应该训练狗猫的卫生习惯。
3. Many people including dog trainers believe that crate training a puppy is an excellent idea because it is easier to housebreak your puppy, as they do not like to soil where they sleep. 包括专业的训练员在内的许多人都相信对于小狗来说木箱训练法是很好的,这样能让您的小狗学会自己找地方休息,因为它们不喜欢弄脏自己睡觉的地方。