16. .................. we read, .................. we know.

A. The most/ the most   B. The more/ the more  

C. Most/ most                 D. More/ more

17. It gets  ................... Let’s go swimming.

A. hot and hot                B. the more hot                         

C. more and more hot      D. hotter and hotter

18. Peter usually drives  .................. Mary.

A. more fast          B. more fast than           

C. more fast                     D. faster

19. The problem seems to be  ..................

A. more serious    B. more serious than                

C. more serious as           D. more and more serious

20. Peter can not earn  .................. his wife.

A. as many money as      B. as much money as               

C. as many money than    D. as much money than

21. Prices get  ..................

A. high and high   B. highest and highest             

C. more and more high     D. higher and higher

22. The more manufacturers advise, .................. they sell.

A. the most products       B. the products more               

C. the more products      D. most products

23. ................. a car is ................. it is.

A. The more expensive/ the comfortabler                B. The most expensive/ the most comfortable

C. The more expensive/ the more comfortable        D. The less expensive/ the more comfortable