"Fill in while you sit" is designed for Dutch speakers who want to improve their written skills. This learning resource is suitable for both self-study and classroom use. The book offers exercises at various language levels, from A1 to C2, and is useful for both personal and professional use. Its structured format allows users to work independently through short, concise sections with clear instructions without the risk of missing important content. The material has been carefully compiled by Intertaal, a reliable supplier that guarantees fast delivery and has a proven track record of meeting the needs of language learners.