black people used to-------badly in the USA

black people used to-------badly in the USA people ------- english in the usa The Indians used to live in ____ is now part of the USA. 翻译：He was also confused by the black stones people used to b In the past,people used ___ to calculate fast.(abacus) In 2008,many people in the USA s________ Obanma to be the pr In the USA and china ,people drive People in Britain ______on the left A used to drive B used t Paper used in the USA comes from Canada 同义句 People in the USA use pumpkin to make lanterns 短文啦Do you want to visit an American friend?People in the USA In the USA,some people would ask their friends to give money