题干
They usually on the Internet. So they don't need CDs.
A：listen to music
B：visit website
C：make travel plans
D：check the train timetable
答案(点此获取答案解析）
A
They usually on the Internet. So they don't need CDs.
A：listen to music
B：visit website
C：make travel plans
D：check the train timetable
