Выполним задание.
- I've never (1) seen an apple with a hat.
- I've never (2) seen a cat with four ears.
- I've never (3) heard (как) a hot dog bark.
- I've never (4) heard (как) a dog speak Spanish
to the moon.
- I've never (5) been to the moon.
- I've never (6) eaten frog soup.
- I've never (7) played with a butterfly.
Ответ: смотри решение выше.