Here are the best answers to complete the sentences:

9. Mr. Brown receives a **C. bigger** salary than anyone else in the company.

10. My young brother grew very quickly and soon he was **B. so big than** my mother.

11. He is not **B. as** tall as his father.

12. He works more **C. slowly** than I.

13. I love you **A. much** more than I can say.

14. The more he slept, **D. the more** irritable he became.