Final answer:
If a food handler cannot find the ice scoop, they should ask another food handler to find it or use a clean, sanitized spoon as an alternative.
Step-by-step explanation:
If a food handler cannot find the ice scoop but needs to refill a guest drink, the best course of action would be to ask another food handler to find the ice scoop. It is important to use the proper utensil, such as the ice scoop, to avoid cross-contamination and ensure food safety. Using a clean, sanitized spoon as an alternative to the ice scoop could also be acceptable in certain situations.