In School...........

On school first day, i got duty n i stand on the stage n our pengetua is talking n she hear something n she say :" Y got such a sound like airoplane one ??" n everybody is laughing.... haha... then in class, Mr. Tan didn't teach us mathematic already la  got a few question i don noe n i don noe wan to ask who?? :( i hope Mr. Tan can teach us le...........