用上一周为标题写一篇英语小作文要用一般过去式要六句话

last week i took part in the piano competiton.there were many students taking part in the event.i was very happy i got the frist prize.After the competition,my parents bought me a new piano.They hope i can play much better.What a nice gift!i am sure to practise playing even harder so that i can become a famous pianoist.