Will _________ matter if you don’t take your breakfast? Some time ago a test __________ (give) in the United Sates. Those tests included people of different __________ (age) from 12 to 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 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 brain. 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.