A good breakfast is i( ).A test was given in the United States s short time ago.People of d( ) ages

A good breakfast is i( ).A test was given in the United States s short time ago.People of d( ) ages
,from 12 to 83,were asked to have the test.During the test,they were given all kinds of breakfast, and s() they got no breakfest at all.Scientists wanted to know how well their bodies worked when they had eaten different k() of breakfest.
The results show that if a person eats a right breakfast,he or she will work b() than if he or she has no breakfast .If a student has fruit ,bread and milk before going to school,he will learn more quickly and listen more c() in class.缺词填空