Fill in: perform, fortune, apologize, change, deadline.
1. John had to....schools when his family went to live at the other side of town.
2. Alex has a tough ....to meet, so he's been working during the weekend.
3. Many people believe that scientists shouldn't.....experiments using animals.
4. Derek refused to.....for his rude behaviour.
5. He had made many discoveries and had brought back an amazing.....in treasure.