Choose the word (a, b, c, or d) that best fits each of the blank spaces.

Our classes take place (1) __three hours every morning (2) __Monday to Friday. The maximum class size (3)______twelve and the average is ten. We use modern methods of teaching and (4) __, and the school (5) ___ a language laboratory, a video camera and recorder. You will only be (6) _____ in improving your English, however, if you work (7)_______ and practice speaking English as (8) _____ as you can!

(1)...................

• A. 
  at
• B. 
  on
• C. 
  for
• D. 
  since