So when you're happy (hooray!) or sad (aw!) or frightened (eek!) or mad (rats!):hooray, aw, eek, rats
[DOC] [TLE] School House Rock - Interjections - MirrorLyrics [PAR] So when you're happy "Hurray" or sad "Aw" or frightened "eek" or mad "rats" or 
excited "Wow" or glad "Hey" an interjection starts a sentence right.