6.聽第10段材料,回答第17至20題.
17.What is the meaning of"gap year"?
A.The year you have off before high school.
B.The year you have off between high school and college.
C.The year you have off during your college life.
18.Why do international students take a gap year?
A.To travel around.B.To explore their interests.C.To serve military duty.
19.What are parents usually worried about if their children take a gap year?
A.They worry that their children will miss their friends.
B.They are worried about their children's safety when traveling.
C.They worry that their children will choose not to go to college.
20.What does Miss Holly Bull's company do?
A.It helps the students plan their gap year.
B.It helps students travel around.
C.It offers jobs to students.