She was listening to _the__radio.为什么用the?

问题描述:

She was listening to _the__radio.为什么用the?

listen to the radio 表示“,听广播,收听收音机”,是固定搭配,radio 表示“收音机”,是可数名词,前面要加限定词,而一般加定冠词the.
句意:她正在收听收音机.