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( ) 1 Han Meimei is ___ Chinese girl. Lucy is ____ English girl.
A. a; a B. an; an C. a; an D. an; a
( ) 2 A little boy wrote____ "U" and___ "n" on the wall.
A. a; an B. an; a C. an; an D. a; a
( ) 3 _____ old lady in brown is____ university professor.