Read the text. Click READY to do the exercise. Fill in the blanks (Make sure you erase any brackets and extra space so the computer can read your answer). Click CHECK to check your answer. Correct your work and CHECK again, or click SHOW ME to see the text again.
Data by Joan Gonzalez and Barbara Strodt. Java Script by Marmo Soemarmo.
The questions were adjusted to the Script by Georgia Smyrniou. Final page appearance by Georgia Smyrniou.