Written communication History 5 Oral communication 3 Discourse analysis 2 Social aspects 2 Spanish language 2 Writing 2 更多 ... Books and reading 1 Composition and exercises 1 Economic aspects 1 Economic conditions 1 Entrance examinations 1 Errors of usage 1 Examinations 1 Libraries 1 Literacy 1 Oratory 1 Rhetoric 1 Social classes 1 Social conditions 1 Social status 1 Spoken Spanish 1 Study and teaching 1 Universities and colleges 1 Word frequency 1 Writing materials and instruments 1 少 ...