Use the appropriate forms of the verbs on the right to

Our second class was English and it (was) great.
We (listened) to the song Old MacDonalds had a farm and then we all (sang) it.
After that we (had) the game Guess the Noise.
We (were having) a lot of fun when our headmaster Mr Loveday (walked) into the classroom.
He (began) to play with us and (мейд) a very realistic elephant noise.
While he (was making) that noise all the pupils (were laughing).
They (laughed) for at least five minutes, I think.
Mr Loveday is always so serious but he (was) so funny during the game.