I. Khoanh tròn từ không được thay thế bởi đại từ phía trước
1.      THEY             Dan and Meg             The teachers            Mike                           Mum and Dad
2.      WE                  Annie and I                My sister                    My brother and I       Dan and I
3.      HE                   Dad                             Dan                             Mum                           Tom
4.      SHE                Margaret                    Dad                             Mum                           My sister
5.      HE                   The policeman          The boy                      The cat                       The father
6.      IT                    My dog                       The album                 A test                          My brother
7.      WE                  My mum and I          My friends and I       A boy and I                My friends
8.      SHE                Linda and you           The grandmother      The woman                Linda
9.      THEY             The dog                      The cats                     A fish and a frog       Two birds
10. HE                  Alan                            An astronaut             A girl                          The  fireman