Circle the letter of the underlined portion which is not correct

Circle the letter of the underlined portion which is not correct.

61. She was studying medicine while I last saw her.

                     A                                     B       C     D

62. Although the traffic was heavy he went to his office late.

           A                                B                    C           D

63. I hope that she would have a good time next Sunday.

           A                               B                 C                D

64. She asked them if they will spend their holidays at the seaside.

                                          A           B          C                 D

65. When I first met him he is working in a bank.

                     A    B                     C              D