1. **The faster Mr Duong finishes his work, the soon he can leave.**  
   **Correction:** The faster Mr. Duong finishes his work, the sooner he can leave.  
   **Incorrect part:** C ("soon" should be "sooner")

2. **The more they advertise, the least expensive things are.**  
   **Correction:** The more they advertise, the less expensive things are.  
   **Incorrect part:** D ("least" should be "less")

3. **The more he earns, the most happy he is.**  
   **Correction:** The more he earns, the happier he is.  
   **Incorrect part:** C ("most happy" should be "happier")

4. **His father’s health gets worst and worst.**  
   **Correction:** His father’s health gets worse and worse.  
   **Incorrect part:** A ("worst" should be "worse")

5. **The fastest you drive, the greater danger you get.**  
   **Correction:** The faster you drive, the greater danger you are in.  
   **Incorrect part:** A ("fastest" should be "faster")

6. **The larger the room is, more people can sit in it.**  
   **Correction:** The larger the room is, the more people can sit in it.  
   **Incorrect part:** D ("more" should be "the more")

7. **The more I live with him, the most I love him.**  
   **Correction:** The more I live with him, the more I love him.  
   **Incorrect part:** C ("most" should be "more")

8. **The harder he tried, the worst he danced before the large audience.**  
   **Correction:** The harder he tried, the worse he danced before the large audience.  
   **Incorrect part:** D ("worst" should be "worse")

9. **The most we work, the more money we earn.**  
   **Correction:** The more we work, the more money we earn.  
   **Incorrect part:** A ("most" should be "more")

10. **The higher the temperature of a molecule is, the more energy has it.**  
    **Correction:** The higher the temperature of a molecule is, the more energy it has.  
    **Incorrect part:** D ("has it" should be "it has")