The McDonald's is the largest employer in the United States.()
第1题
In order to meet the development of the exhibition/convention industry ,a code of regulations and rules has to be formulated.()
为了保护您的账号安全,请在“上学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!