1. The teacher draws on the blackboard while explaining.

The manager is talking about the plan while drawing on the whiteboard.

Parents point to the pictures in the book while reading the story.

4. The chef speaks the menu while demonstrating on the stove.

The coach demonstrated his skills while jumping in the bunker.

6. The music teacher plays the keys while singing.

7. While explaining the grammar rules, the foreign teacher wrote down the example sentences on the blackboard.

8. While introducing the product, the salesperson demonstrates the function on the display platform.

9. The director marked the script while explaining the plot.

10, the doctor explained the precautions while drawing on the whiteboard.

1 1. Professor wrote a paper and edited it on the computer.

12. The designer explains the design concept while drawing on the drawing.

13. While explaining historical events, the teacher drew a timeline on the blackboard.

14. The barista demonstrated the coffee making process in the bar.

15, the host introduced the program flow and checked the information on the memo.

16, the math teacher explained the formula and drew a picture on the blackboard.

17. The real estate agent displays the house information and photos on the mobile phone.

18. Musicians will check the music on the music stand when playing musical instruments.

19. Colleagues write and draw on the whiteboard while explaining the details of the project.

The driver demonstrated his driving skills in the cockpit.

2 1. The beautician demonstrated the skin while explaining the knowledge of skin care.

22. The PE teacher explained the competition strategy and drew a tactical map on the blackboard.

23. Programmers demonstrate programming on the computer while explaining code logic.

24. While teaching dance steps, the dance teacher demonstrated the movements in the classroom.

25. Psychologists will draw emotional flow charts on the whiteboard when analyzing cases.

26. When reading the article, the reader silently follows the plot.

27. The chef explains the cooking method while preparing the ingredients on the cooker.

28. While explaining the role, the director marked the key points in the script.

29. The train driver tells the driving essentials while operating on the console.

30. A coach who demonstrates actions in the gym while explaining fitness skills.