听一段对话,回答第 11、12 小题。
(
)11. Why didn't Frank go to the old people's home?
A. He had to look after his sister.
B. He had to visit his grandparents.
C. He had to cook lunch for his family.
(
)12. What does Frank want to do at the party?
A. Play the violin.
B. Play the guitar.
C. Play the drums.