I APOLOGIZES ________ SARAH ______ KEEPING HER WAITING SO LONGA. T...
15. I apologizes ________ Sarah ______ keeping her waiting so long
a. to/ for
b. at/ of
c. in/ for
d. to/ of
15. I apologizes ________ Sarah ______ keeping her waiting so long
a. to/ for
b. at/ of
c. in/ for
d. to/ of