Question

I used to listen to the music ________ the radio, but now I watch the music programme ________ TV.

1. A.
   on; on
2. B.
   over; over
3. C.
   by; on
4. D.
   on; by

Answer 1

A
解析：本题考查介词on的用法。“通过电视”应为on TV；“通过广播”应为on /over the radio。根据第一个空排除C项，第二空的选项只有on正确，故选A。