16.21.How old was Jack when he started to go to school? A.Five B.Six C.Seven. 22.How far was it from his home to school? A.Ten kilometers. B.Three miles. C.Fifty meters. 23.What did his mother tell him to do at school? A.To keep quiet. B.To work hard. C.To be a good boy. 24.Did he enjoy his first day at school? A.No,he didn't. B.Yes,he did. C.We didn't know. 25.Why didn't he want to go to school again? A.He missed his mother. B.He feared his teachers. C.He couldn't do anything there.