Obama was elected ____ first black presi
题型:选择题
问题:
Obama was elected ____ first black president of the United States four years ago and has been elected _____ president again for the next four years.
A.the; the
B.the; X
C.X; the
D.a; a
Obama was elected ____ first black president of the United States four years ago and has been elected _____ president again for the next four years.
A.the; the
B.the; X
C.X; the
D.a; a