Chọn từ sai và sửa

21. She asked me where did I came from.

             A        B              C       D   

22. Nam is tallest student in his class.                                                                                   

              A    B                   C      D

23. The news about some recent disasters have been shown  on telivision.

                          A                 B                               C               D

24. Remember to look after your sister careful when we are out.                           

                             A       B                          C                      D

25. Sometimes it takes me about three hours finishing my round.

            A                        B                        C          D