Every year students in many countries learn English. Some of these students are young children. Others are (1)........ teenagers .........Many are adults. Some learn at school others study by (2).....themselves ......A few learn english just by hearing the (3).... language.....in films, on television, in the office, or among their friends. But not many are lucky (4)...... to do what. Most people must (5)..work ..... hard to learn another language
Số 4 ko có từ phù hợp để điền ạ