选择题
-- What _______ useful book it is! ----Yeah, it tells you how to play _____ guitar.
A. an; the B. a; / C. a; the D. an; a
选择题
-- What _______ useful book it is! ----Yeah, it tells you how to play _____ guitar.
A. an; the B. a; / C. a; the D. an; a
C