写一篇英语作文：My picnic

On Sunday,my family and Ann’s family are free.So we are West Hill for a picnic.We take some food with us.In the West Hill,my mother and Ann’s mother have to cook.My father and Ann’s father carry some water with us.My brother and I fly a kite in grassland.Ann’s father and Ann are sing some songs.In lunch,Ann and I say:“The food is very nice!” My mother and Ann’s mother said with smile:“ Thanks.” After meal,we are fishing.We are very happy.