填空题
When should you be even more careful than usual of the foods?
During the ______.
填空题
What kinds of food should you purchase last when you are shopping?
______and refrigerated foods.
填空题
After you get home, what kinds of food should be refrigerated immediately?
Milk and milk ______.
填空题
When camping or picnicking, what kind of food shall we have?
We shall have ______ food.
填空题
According to the talk, what should you do with food that doesn't seem to be normal?
We should ______ immediately.