The boy is feeling nervous as the teacher is asking him a grammar question - he says "Who? Me?" to check that the teacher is talking to him, when actually he has answered the question correctly, as "who" and "me" are both English pronouns!
¦Ñ®v¥s¤p¨k«Ä¦C¥X¨âÓ^»y¥N¦Wµü¡]pronouns¡^¡A¤p¨k«Ä·Q½T»{¦Ñ®v¬O¦b°Ý¥L¡A©ó¬O°Ý¡G¡u½Ö¡H§Ú¶Ü¡H¡v¡]Who? Me?¡^襩¡Awho©Mme³£¬O¥N¦Wµü¡C
¡½º©µe&»¡©ú¡J^°ê¤å¤Æ¨ó·|
ºô§}¡Gwww.britishcouncil.hk/english
³{¬P´Á¤¨£³ø