Keep Guessing !!!

Do you know, who is the fastest land animal, what do you call a place where a river falls over a steep cliff........ guess !
More than 1000 clues to guess !
-In this game a clue is given and you have to guess the correct answer. -Use the virtual keyboard to enter the letters. Enjoy!!! Topics covered : opposites, English vocabulary Recommened age group : 7 yrs. and above