Say what is the subject of the following sentences: (Photo by Andy Holmes on Unsplash Links to an external site. )     (2) Can there be more than one prime minister at the same time?           Subject: there      (3) In that dystopian future, a handful of rocks surrounds an old mp3 player.         Subject: [ Select ] a handful dystopian future an old mp3 player mp3 player some dystopian future rocks surrounds handful a handful of rocks      (4) Never have the most complicated songs been the catchiest.         Subject: [ Select ] songs complicated songs Never have been catchiest the most complicated songs the catchiest      (5) Sometimes, during very special shows, our singer plays the piano.          Subject: [ Select ] plays the piano special shows singer shows our singer the piano during very special shows plays Sometimes      (6) It is never too late to learn new languages.         Subject: [ Select ] to learn new languages new languages to learn It is dance languages to learn never too late多重下拉选择题