son 4-The Boy and the Bank officer Word study 1.account 2 on account of: because of sth. else especially because of a problem or difficulties Example: He cant run very fast on account of his injured leg. W E BACLesson 4—The Boy and the Bank Officer W B T L E I. Word Study 1. account ② on account of: because of sth. else, especially because of a problem or difficulties Example: He can’t run very fast on account of his injured leg