It’s necessary for children to learn to swim. A. Learning to swim is necessary for children. B. Learning to swim necessary for children. C. Learn to swim is necessary for children. D. ChildreĐoạn văn39/80It’s necessary for children to learn to swim. Learning to swim is necessary for children. Learning to swim necessary for children. Learn to swim is necessary for children. Children need learning to swim.Giải thíchĐáp án đúng là A