问题
选择题
Bill Gates is __________ in the world.[ ]
A. one of the richest people
B. one of the richest person
C. one of richest people
D. each of the richest people
答案
A
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Bill Gates is __________ in the world.[ ]
A. one of the richest people
B. one of the richest person
C. one of richest people
D. each of the richest people
A