( ) 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. A. An; a B. An; / C. The; an D. The; a ( ) 4 There are sixty minutes in____hour. A. an B. the C. a D. / ( ) 5 This is ____ interesting book and it is also ____ useful one. A. an; an B. an; the C. ah; a D. a; a ( ) 6 A computer is useful tool in 'o world today. A. an; the B. a; the C. the; the D. a; a