II. There is a mistake in the four underlined parts of each sentence. Find the mistake (A, B, C, or D- 1m )

1. In Australia, you mustn’t   tocomment on a person’s accent.

            A                       B               C                                 D

2.In my family, children has to get permission before leaving the dining table.

         A                               B                C                         D

3. When I came, the whole family is having dinner around a big dining table.

       A            BC                                      D

4.Lang Lieu couldn’t boughtany special food because he was very poor.

              A         B                            C                            D