أ At first, my eldest sister, Sara, wanted to study chemistry at King Saud University, but one of her professors, Pro. Hilda, persuaded her to join the College of medicine after she finishes the First Semester in January. ب At first, my eldest Sister. Sara, wanted to study Chemistry at King Saud University, but one of her professors, Pro. hilda, persuaded her to join the College of medicine after she finishes the First Semester in January. ج At first, my eldest sister, sara, wanted to study Chemistry at King saud university, but one of her Professors. Pro. Hilda, persuaded her to join the college of Medicine after she finishes the first semester in January. د At first, my eldest sister, sara, wanted to study Chemistry at King saud university, but one of her professors. Pro. Hilda, persuaded her to join the college of Medicine after she finishes the first semester in january.