The film is on.on是什么句子成分?

The film is on.on是什么句子成分? The film is on on Sunday . The book is on the desk中介词短语on the desk 的句子成分是什么? The film is on in the s___ the film is (on) in the afternoon the film is on啥意思? Where is the new film on when is the film(on)?为什么填on?句子中文是什么? on the film. 还是in the film the film is on in the evening,改为一般疑问句 七年级上册英语.The film is on the_____. The film is (on Sunday).对划线部分提问