Ответ:
Alan's classmates went for a picnic.
Each of them had something to share.
Alan brought a box of chocolates.
Jane came with a loaf of bread and a packet of butter for sandwiches.
Tim bought two bottles of mineral water.
Sandy's grandmother gave them a jar of strawberry jam.
Angela had some bunches of grapes from her own vineyard.
Diana shared a bar of chocolate with all her classmates.