-City air is very dirty, so it would be wise ___ you wash your hair often.
---I know, but it is not easy ____ me to do that every day.
A. for, of B. of, of C. of, for D. for, for
-City air is very dirty, so it would be wise ___ you wash your hair often.
---I know, but it is not easy ____ me to do that every day.
A. for, of B. of, of C. of, for D. for, for
C