Though dentists recommend brushing one's teeth three times a day, many adult Americans
brush just twice a day and floss hardly never.
A. brush just twice a day and floss hardly never
B. brush your teeth twice and never floss
C. brush just twice but rarely floss at all
D. brush twice daily but hardly ever floss
E. only brush twice daily and rarely floss at all
brush just twice a day and floss hardly never.
A. brush just twice a day and floss hardly never
B. brush your teeth twice and never floss
C. brush just twice but rarely floss at all
D. brush twice daily but hardly ever floss
E. only brush twice daily and rarely floss at all

















