Nearly everyone knows McDonald's. It is a fast food ____. Almost everyone says fast food is not healthy.  But they still eat a lot of it.  McDonald's can make us _____. Once a man ate it for three meals a day for a month.  By the end of the month, he had put on more than 20 pounds and he felt ______ all the time.

Lots of Americans just ______hamburgers, pizzas or hot dogs for meals. But fast food has lots of fat food. Many people who like fast food are _____. Will the same thing happen in China? These days KFC and McDonald's are really popular in China.  Sooner or later Chinese children would become fatter, too.