Put the verbs in brackets into the correct present simple form. 1) a cheetah (run) very fast. 2) frogs (live) on all continents except antarctica. 3) hippos (give) birth underwater. 4) the blue whale (weigh) 50 tons at birth. 5) dolphins (sleep) with one eye open. 6) butterflies (taste) with their feet. 7) a crocodile (move) fast with its tail. 8) a deer (eat) grass.