The women are listening to the radio 为什么听前面要用are

Do you think they are listening to the radio? 英语翻译 They are listening to the radio now.(改为同义句) The men ( )to the radio.A、are listening B、is listening 请说明理由 They are listening to the radio 改为否定句They __ __ listening to They are listening to radio 转述句they say ："they are listening to the radio in this room n ( )(them) are listening to the radio求所给的形式填空, The children are listening to him.中的listening to这个词组为什么成立 ( ) they are listening to the teacher! we are going to------ -------the radio 请问应该是listening the radio 还是listen to the radio? learn English by listening to the radio.