Fill in the Blanks Guess the wordOnline version Guess the following words by Laura Sanchez 1 is are and in are is in in is are about London Zoo 178 years old . It in Regent's Park London . It a big area and there three large gardens . There are 5 , 000 animals total . There mammals , birdas , reptiles , apes bugs . There about 650 species . It's the most famous zoo the world .