问题补充：
---I’m very tired these days because of studying for the coming monthly exam.
---Why not muisc? It can make you .
A. listen to; relaxing
B. to listen to; to relax
C. listening to; relax
D. listen to; relax
答案：
A. listen to; relaxing
B. to listen to; to relax
C. listening to; relax
(答案→)D. listen to; relax
解析：D Why not用于提建议,后加动词原形, make是使役动词,固定句型是make sb. do sth.被动语态要带上不定式符号to，即be made to do sth.；使役动词还有let，have。
