[C] meat and salt [D] beef and fish

    28. Fast-food restaurants are popular because ________.

     [A] people are free to order their food

     [B] the quality of the food is good

     [C] it is cheaper and faster to have meals there

     [D] people can find fast food restaurants everywhere

    29. Which of the following sentences is not correct?

     [A] The service is fast and the food is cheap in fast-food restaurants.

     [B] More people like eating fast food.

     [C] People can find the same food in all the restaurants.

     [D] People can take fast food out.

    30. Whats the main idea of the passage?

     [A] Americans eat enough hamburgers to make a line abound the world four times.

     [B] Fast-food restaurants are popular in the United States.

     [C] Some people can eat fast food in parks.

     [D] Mothers who work outside home often have meals in fast-food restaurants.

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