Will ____ matter if you don’t take your breakfast? Recently a test ______ (give) in the United Sates. Those tests included people of different ages from 12 ____ 83. During the experiment, these people were given all kinds of breakfasts, and sometimes they got ______ breakfast at all. Special tests were set up to see _______ well their bodies worked and when they had eaten _______ certain kind of breakfast. The results show that if a person eats a proper breakfast, he or she will work with better effect ________ if he or she has no breakfast. This fact appears to be _________ (especial) true if a person works ________ his brains. For example, if a student eats fruit, eggs, bread and milk before going to school, he will learn more quickly and listen with ________ (much) attention in class.