1. Realising that his car was stolen, Mr Tan decide to ______ a police report.

2. To save up for the trip, John has decided to ______ on his spending.

3. Marc was so ______ in his work that he missed watching his favourite show.

4. Jane's speech was so ______ that everyone donated generously to the charity event she promoted.

5. "You'd better ______ if you want to make it to the finals!" the coach warned the team.