You can use your phone or computer's voice-to-text feature to practice your pronunciation.
Phones: Click the microphone button on your keyboard.
Windows 10: Press [Windows] + [H]
These sentences are taken from the key expessions portion of your book.
(Thai translations are from Google Translate and may not be accurate.)
Also, check out Fun Easy Learn English which is a free app with a large collection of phrases organized by topic.
After you have installed the app.
- Choose vocabulary practice.
- Click the play button (a red triangle).
- Click on the microphone.