1. I tried not to cry so hard. I cried so hard. (however)

2. She looks gorgeous in that dress. He invites her for a slow dance. (therefore) 

3. Susie is going to be late for school today. She won’t be punished because the teacher hasn’t arrived yet. (But) 

4. There was no hope. He went on hoping (Nevertheless)

5. I am so burned out today. I still have to work until midnight. (however)