MANY HIGH SCHOOL AND COLLEGE STUDENTS IN THE USA WORK………… TO HELP D...

12. - ANH 10 ĐỀ THI HK I SỐ 4
ANH 10 ĐỀ THI HK I SỐ 4
12.Many high school and college students in the USA work………… to help disadvantaged children.A volunteer B voluntary C volunteering D voluntarily