How old was Bill Gates when he became the richest man in the United States?
A. 51
B. 41
C. 44
D. 34
Đáp án đúng: B
“By 1990, at the age of thirty-four,. “By 1997, he was the richest man in the United States.” -> vào năm 1997: ông Bill Gates 34+7 = 41 tuổi.
Số bình luận về đáp án: 0