----- Nội dung dịch tự động từ ảnh ----- A favourite winter activity is skating. But before you go skating on a pond or lake, there are a few tips you should know. The ice should be at (2). 6 inches thick. Never skate alone. Never assume the (3)___ is safe, and do not go out onto the ice after an animal or toy. Always be (4)_____ with the area where you want to skate, and be sure it is well-lit if you go skating at night. The safest place to go skating is on a skating rink. Some cities have (5)___ skating rinks. And most cities have an indoor skating rink you can use for a small fee least leisure activity outdoor ice familiar