Answer:
1. Veintiuno.
2. Un pastel y un flan.
3. Sandra y Tomás.
4. No.
5. Alegre.
6. Doce.
Step-by-step explanation:
This exercise is about reading comprehension. You have to read the text that talks about Mirta's 21st birthday party and then answer the question with the things that happened at the party.
Here are some tips you can consider when doing an exercise about reading comprehension: read the whole text to get a basic idea of the meaning and the story that tells, then read the questions so that you can look for the answers while reading the second time, and lastly, read the text again and now focuse on the parts you have to understand to answer the questions.