（1）T American’s favorite fast food is hamburger（2）F （3）F People can eat hamburgers in the restaurant to take the food out and eat it at home,at work,or in a park.（4）F Fast-food restaurants are popular because of their fast service and low cost
（5）F Hamburgers are not the only fast food in the restaurant.Other foods include fish,chicken,sandwiches,French fries,etc.