听第10段材料,回答第17至20题。
17.What did the speaker usually write about before 2019?
A.How to learn history.
B.How to bake bread.
C.How to write.
18.How many articles of the speaker did Listverse use in 2020?
A.One.
B.Ten.
C.Eleven.
19.What did the speaker like to do on StrangeAge?
A.Introduce newspapers.
B.Share her published articles.
C.Post old newspaper articles.
20.How do people feel about the speaker's blog probably?
A.It's useful.
B.It's difficult.
C.It's funny.