THE MAIN REASON ______ TAKING THE COURSE IS TO IMPROVE YOUR LANGUA...

51. - BAI LUYEN TAP VE DANG DANH TU DI VOI GIOI TU HAY CO DAP AN A1562
BAI LUYEN TAP VE DANG DANH TU DI VOI GIOI TU HAY CO DAP AN A1562

51. The main reason ______ taking the course is to improve your language skills

A. on B. of C. for D. with