It is a really good book for you study English. In this book you can study how to speak English and many grammatical points of English language which are very important.
This book is more than 40 mb, so it may take you a little long time to download. And the book is also designed for self-study. You can learn by yourself without any teachers to guide you because the book will be a teacher.
There are many Chinese speaking class in Myanmar both online and offline. These days online class are very popular due to COVID-19 outbreaks.
If you don’t have time to go and study English in a class, then this book will be a good friend for you because you will learn a lot of examples of Chinese dialogues.