There are fourteen errors in the use of punctuation marks in the following text. Re-write the text correcting the errors. Use capital if necessary. Sammam : May I come in sir Mr. Ahmed: Yes of course any problem Sammam : I dont know, sir. I am told to meet you in the teachers common room Mr. Ahmed: oh I forgot that. why did you do so badly in science in your last examination Sammam : sir I should have informed you earlier My father was very sick and I had to accompany him almost the whole night before the exam. so I couldnt revise the lessons. Mr. Ahmed: oh Its a pity!