What does the sign mean?Đoạn văn26/35Read the following sign or notice and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following question. What does the sign mean? Danger! No swimming.These are dangerous childrenPlease stay out of the water.Deep water. No lifeguard on duty.Giải thíchĐáp án đúng: A Hướng dẫn dịch: Biển báo: không được bơi lội