Fill in the blank

every year many people in the world learn English.Some of them(1)..................young children.(2)..................are teenagers.
Many are adults.Some learn at school,others learn in evening classes.A few learn English(3).................themselves or just by hearing the language(4).....................television or among their friend.Most people must work hard to learn English
(5)................. do all these people want you learn English?It is not difficult to (6)................that questions. Young children learn English at school(7).............it is one of their subject.Many adult learn English because it is useful for(8)...............work
.               Mong mn giúp đỡ