Tóm tắt nội dung: The Great Preposition Mystery is designed to be used as a review of prepositions in an intermediate/ advance grammar course. The vocabulary is not grades, and some students may have to use a dictionary more frequently than others. The student gets practice with preposition in three ways: by choosing an appropriate preposition in context; by selecting an appropriate in a narrowly defined situation; and by using prepositions in student- generated sentences. By the time they solve the mystery they...