Twenteen?

Teacher: Ok students, now that we finished marking the exercise let me know your marks. Who got all correct?? Raise up you hand..
~Show of hands
Teacher: Owh very good John, Jane and Frank.. How about you Kim? what did you get?
Kim: 15 upon 20 teacher.
Teacher: That's quite good..and you Julia?
Julia: 11
T: Hmm.. Julia try your best ok? the test is coming soon..
~Julia shrug and grinned
Teacher: And how about you Rose?
Rose: Twenty
Teacher: Owh that's very good Rose! Why didn't you raise up your hand before? You got full marks.
Rose: No teacher.. I got Twenteen.. One.. Two.. (fingers show one and two)
~ Dead silence
T: Rose, there's no twenteen.. one. two. is TWELVE
~Class erupted into laughter.. Teacher led out a big sigh.. and the test was coming nearer..