Basic Grammar in Use Student's Book with Answers and Interactive eBook: Self-study Reference and Practice for Students of Ameri ◆商品名:Basic Grammar in Use Student's Book with Answers and Interactive e Book: Self-study Reference and Practice for Students of Americ The world's best-selling grammar series for learners of English. Basic Grammar in Use Fourth Edition is an American English self-study reference and practice book for beginner level learners (A1-B1). With simple explanations, clear examples, and easy to understand exercises, it is perfect for students who are learning on their own, but can also be used in the