Q: What does the woman probably mean?
A) She didn't know her daughter could sing so well.
B) She sings better than her daughter.
C) She doesn't like her daughter.
D) She herself doesn't have a good voice.
Q: Why is the man worried?
A) He finds history books difficult to understand.
B) He has to read a lot of history books.
C) He doesn't like the history course.
D) He has lost his history book.