综合填空：根据短文内容选择方框内的单词，并用其正确形式填入空白处，使补全后的短文意思通顺，语法正确，结构完整。

bottle,  one,  shop,  buy,  food

On Sunday morning, Mark, Rose and I take a bus to go    . Now we are in the shop. We’d like     something for a picnic. We want buy three     of water and some    . We don’t have bags, so we need to buy some new    . Then we can take the food to the hill.