小升初英语每日一练(60)(含答案解析)
We can often see dog 1 taking their dogs for a walk. But have you 2 of taking penguins go out for a walk in line every day. It is said that this can make them happy and stop them 3 being homesick. The penguins in this zoo didn’t eat well and were not kind to workers when they first came to the zoo, maybe they were not 4 to the life in the zoo. So the zookeepers came



