1.A lot of things need to be done... gender equality in education, employment and healthcare A. promoting B. in promoting C. for promoting D. to promote 2. Nowadays, a number of parents still have preference for boys.... girls A. rather B. than D. over D. instead 3. Women's salaries are getting more important..... their household income. A. at B. to C.in D. within (giải thích rõ giúp mk nha)