A. to mark off the distances to the end zone
B. to help players run
C. to help players score
D. to help players see the ball
D
Dẫn chứng: These rings help the players see the ball when it is thrown or someone is running with it.
Câu hỏi trên thuộc đề trắc nghiệm dưới đây !
Copyright © 2021 HOCTAP247