给答句配上疑问词并将其序号写在横线上。
( ) I_______to school by bus this morning.
( )—Can you sing a song in English? —No, I __________.
( ) He has two basketballs. One is new, __________ is old.
( ) Bruce, look at your dirty shoes. You’d better __________ them right now.
( ) I met Jack on way home yesterday.