The answer to the first one is 1) Las comedias son serias. The answer to the second one is d. Miguel y Yolanda I believe. I hope this helps and I hope I didn't get either of them wrong. They seem about right to me.
Answer:
1. abriste (A)
2. caí (B)
3. mentimos (C)
4. bebió (B)
5. durmieron (A)
Explanatiion:
Conjugated the irregulars with their subjects. Said conjugation charts are usually available online in which specific Spanish words are shown conjugated to fit their subjects.