Vocabulary English language 176 Study and teaching 54 Problems, exercises, etc 44 Textbooks for foreign speakers 34 Foreign speakers 30 English 28 Grammar 27 Schools 18 Reading comprehension 15 Glossaries, vocabularies, etc 13 Reading (Higher education) 13 Terminology 13 German language 12 Universities and colleges 12 Curricula 11 International English Language Testing System 11 Learning and scholarship 11 French language 10 Study guides 10 Toy and movable books 10 Spanish language 9 Usage 9 Chinese language 8 Reading (Higher Education) 8 Vocabulary tests 8 Examinations 7 Orthography and spelling 7 Conversation and phrase books 6 Friendship 6