прочитай текст и скажи: "why is the teacher sad?"

1) When does the boy go to school? – In the morning.
2) What has he got? – He has got a big bag with books, pens and pencils.
3) Where does he see a green frog? – In the park.
4) How can the boy swim? – He can swim well.
5) Why is his teacher sad? – The teacher is sad because the boy is very dirty.