HER PARENTS ARE VERY PLEASED ……….……..HER FRENCH.A. AT B. IN C. ON...

333. - E 10 BAI TAP TRAC NGHIEM GIOI TU
E 10 BAI TAP TRAC NGHIEM GIOI TU

333. Her parents are very pleased ……….……..her French.

A. at B. in C. on D. with