65.He (not/steal).....didn't steal.....that car last month.
66.Listen! Someone (knock)...........is knocking..........at the door.
67.Where (be).....were.......you yesterday?My friends and I (be)........were.....in Diamond Plaza.
68.We (go)......go......to school everyday.
69.They (build)....will build........a new university here in 2020.
70.They (build)......built......a new university here in 2000.
71.Peter (repair)........will repair......his bicycle tomorrow.
72.If my parents (forgive)... forgive......me, I (go).......... will go .........home.
73.Look! Our teacher (come).......... coming............
74.Mr. Tam (be)......was.......a doctor 3 years ago.
75.If the walls (be).....are....clean, the room (look).....will look.....bright.

65. didn't steal 

66. is knocking

67. were / were 

68. go

69. built 

70. built

71. will repair ( is going to repair ) 

72. forgive / will go 

73. is coming

74. was 

75. are / will look