Sure! Here’s a rewritten version of the sentences:

71. She was tired because she didn’t sleep well last night.
72. I went to the store, and I bought a banana.
73. I didn’t like the movie; my sister didn’t like it either.
74. I went to the store, but it was closed.
75. You can walk with me, or you can take the bus.
76. I watched the entire movie, yet it was boring.
77. She was tired, so she didn’t sleep well last night.
78. Tina didn’t want to study, nor did she want to exercise.
79. It was raining, but we still had fun.
80. They visited the museum, and afterwards, they went to a restaurant.
81. While I did my homework, Jan was washing her hair.
82. I was having lunch when James arrived.
83. The thief entered the store while the customer was being helped by the salesman.
84. While we were standing outside the cinema, someone picked my pocket.
85. Jane was taking a bath when the phone rang three times.
86. I listened to a very interesting radio program when I was driving.
87. I was waiting at the bus stop when I saw an accident.
88. When my mom came home, my sister was sleeping.
89. We were tidying our room when we found some old photographs.
90. When the fire alarm went off, we were listening to music.