My naughty little sister is a good pianist

My naughty little sister is a good pianist. Shi (go) to the musical school. Shi (play) the guitar a little, too Listen What … . shi (play)? -it,s my favourite song. john! What … you (do)? — I (write) a letter to my English pen friend. Why … you (cry)? I can,t do my Maths homework. It,s very difficult. Will you help me?