"Zeba is going to France;she must rub up her Frech".Here "rub up" refers to-
"Zeba is going to France;she must rub up her Frech".Here "rub up" refers to- Correct Answer improve knowledge in a subject
"Zeba is going to France;she must rub up her Frech".Here "rub up" refers to- Correct Answer improve knowledge in a subject