一本数学练习册是6元，50元最多能买（ ）本．
A．9
B．6
C．8
D．44
50÷6=8（本）…2（元），
答：50元最多能买8本．
故选：C．
We have been to the village ____ they lived last year. [ ]
A. what
B. when
C. where
D. that
