下列算式，( )的结果是奇数.

做同一种零件，甲5分钟做6个，乙6分钟做 7 个，丙9分钟做11个，( )做得快.

My mother's work is _____ (make) our city safe.

口袋里有8个红球和4个白球，它们除颜色外完全相同，从中摸出1个球，摸出红球的可能性是()

Ice-cream and candies are not healthy food.They ale u_____ food