Additional Exercises – Grammar in Progress: consists of exercises only and is a supplement to Grammar in Progress.

This book comprises 1895 phrases and sentences in 66 exercises that cover the 40 units of the forth edition. It aims to give students who have completed Grammar in Progress extra support in solidifying the knowledge and skills they have already acquired.

At the back of the book is a glossary (English-Dutch) that contains the words used in the book that learners may not be familiar with.

The key can be downloaded here.