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.

Set 1 - Introductions
Set 2 - Asking for Information
Set 3 - Phone Messages
Set 4 - Asking for Help
Set 5 - Talking about Problems

(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.

  1. Choose vocabulary practice.
  2. Click the play button (a red triangle).
  3. Click on the microphone.