the radio says that+句子,为什么要用says?

the radio says that+句子,为什么要用says? The radio says there_____this evening. The radio says that a terrible traffic accident happened som the radio和a radio的区别 例如：_____radio says that the weather her 用所给动词正确形式填空1/The radio says that the temperature ——（drop） to the radio says that it will get ________later in the day. like that等于什么?The radio says it will rain _____.（填词组） 动词适当形式填空The radio says that there is going to be a___rain.I The radio says that there__heavy rain this evening. A:will b "The radio says that it is snowy and windy in Beijing ,and t The radio (says)that there will be another heavy rain rain i The radio says the snow will stop later on,为什么是on