David suddenly heard some _____(noise/sound)?应该填哪个?为什么另一个不行?
问题描述：
David suddenly heard some _____(noise/sound)?
应该填哪个?为什么另一个不行?
答
noise
noise 是指噪音 eg: i heard some noise outside
vioce 是声音,但只用在人类上面 eg: he has a great vioce
sound 跟vioce是差不多的意思,但是用在事物上面 eg: that the sound of the wind