Biology lesson

Last two day,when our class people was in the lesson of biology..
The teacher say at there while we was writting at there.
Then ,the teacher suddenly say stomach,her voice not correct of this word.
We include yapi laugh at the teacher but malay student dunknw what we laugh about..
hahhahahahha..but tat teacher din have feel she already say wrong at there.so ,she continued teach us..but we cannot control and laugh out ,all student see at me and the teacher also dun knw what we laugh about..
the teacher see we laugh at there,and she followed we laugh..More terrible is,tat teacher laugh untill cry o..then we surely always laugh at the teacher,but all malay student ask we dun laugh again,but we cannot control and continued laugh at the teacher..hahahahahaha...
we laugh untill our tears flow out because we see the teaceher cry ..we are so bad.
But at last that teacher also laugh at there..
so happy when having biology lesson.hope that we can always happy at biology lesson...