Xiandai Hanyu Xuci Jiangy is a book focused in exercises of the grammar focused in the practice and the use of empty words, that is, conjunctions, particles, adverbs etc.
As it happens with similar books, the writer groups words that might have a similar or contrary meaning, or simply words with confusing meanings.
Solutions can be found at the end of the book.
Teachers can also use this book to pose their students questions about these type of words.
This book has had a great success, in 2016 it had 6 editions.