Essential structures like "是" (to be), "吗" question particles, "有" (to have) sentences, and nouns of locality.
Sites like Chinese Worksheets provide supplementary materials that often mirror the Boya curriculum for extra practice. Boya Chinese Elementary 1 Workbook Answers Pdf
: Peking University Press publishes a companion Teacher's Handbook (教师手册) for the Boya series. This book contains the complete answer keys for both the textbook and workbook exercises. Many university library portals offer authorized digital PDF access to this manual for registered students. Essential structures like "是" (to be), "吗" question