Answer:
To complete the blank space the correct word is:
Hicieron.
¿Qué hicieron ustedes ayer?
Step-by-step explanation:
The question that Leticia is making is about what did Marc and Pedro yesterday.
- The key word to look for is hacer.
- The tense of the question is past tense.
- The conjugation of Hacer in past tense for you (Marc and Pedro) is hicieron.
With that information you are sure to choose hicieron as your correct answer.