问题：
—How quiet it is here!
—Yes. We can hear nothing but the _____ of the running water.
[ ]
A. music
B. sound
C. voice
D. noise
—How quiet it is here!
—Yes. We can hear nothing but the _____ of the running water.
B. sound
C. voice
D. noise
—Yes. We can hear nothing but the _____ of the running water.
[ ]
A. music B. sound
C. voice
D. noise
参考答案：