boys
                    - Boys and girls, please have a seat and ____.—Thank you.
 - Boys and girls, time is up, please check your name and ______ your papers.
 - Look! One of the boys ______ under the tree.
 - Some boys of Class One enjoy _____ pop music.
 - Jim is one of the boys ______ from England.
 - The boys put ___________ school bags on the playground.
 - There are _____ boys on the playground.
 - There are 40 boys here. Some are from China, _______ are from Japan.
 - Come on, boys and girls. Help ____________ to all the yummy food.
 - Boys and girls, are reading English books? —Yes, are.