“奥巴马是第44届美国总统”用英语怎么说

Question

英语老师上课讲的。我近视，没有看清楚。有谁知道告诉我呦。知道“奥巴马是第一任黑人美国总统”用英语怎么说的也可以。

Answer 1

Obama is the 44th. President of America.
Obama is 1st. African American President of America.

Answer 2

Barack Obama Officialy Becomes 44th American President

obama is the first truly -black- American President

Answer 3

Obama is the first Black president of American.
奥巴马是第一人黑人美国总统。

Answer 4

Obama is the 44th. President of America.
Obama is 1st. African American President of America.

Answer 5

Obama is the 44th. President of America