travl by

travl by by by by by by by by by by by by by 求初一下半学期语文、数学、英语卷,是上海的（语文第一篇是《山中访友》,数学第一张是实数,英语第一单元是writing a travl guide)教材要符合这几个要求,有正确答案,数学有图形,语文最好多些 “by”这个词有几种解释?by by by by MTR和by story by,written by by used by