聽短文，回答下列問題。
（1）Who is Tina？
A.She is Helen's friend.
B.She is Helen's classmate.
C.She is Helen's sister.
（2）When is the music festival？
A.In September.
B.In October.
C.In December.
（3）How many trips will we have？
A.One.
B.Two.
C.Three.
（4）How old is Tina？
A.Seven.
B.Nine.
C.Ten.
（5）What does Helen want to buy for Tina？
A.A basketball.
B.A skirt.
C.A cake.