He can’t play for the team because he is very old. (of)
He can’t play for the team because he is very old. (of)
=> __________________________________________.
Đáp án đúng là: Because of his very old age/being very old, he can’t play for the team.
Giải thích: Cấu trúc Because of + N/Ving: bởi vì
Dịch: Vì đã quá tuổi nên ông ấy không thể thi đấu cho đội.