Captain Underpants punctuation

A class of Children are  sitting on the mat. ''This is me in kindergarten'' says George  ''And this is me.''
Exclaims Harold. George and I aren 't friends yet but ''we'er about to be'' The teacher begins witting

on the board and says.The ''seventh plant From the sun is called..... Uranus'' George and Harold
burst In to laughter. The teacher quickly turns to glare at the boys. turning back to the board shes

says. ''scientists''........ George looks over to Harold ''Ur.... Anus'' Laughs. ''I know''.. Continues

George laughing at Harold. The teacher turns and coughs ''Hrmm Hrmm'' she continues speaking as

she writes on the board. known as a gas ''giant....'' ''Hahahahahahahahaha' Laugh the boys Hysteriically.