what's that?
it's a butterly
what are those?
they're butterflies
what are those?
they're leaves
what's that?
it's a leaf (singular)
what's it?
Iit's a book
what are those?
they're sandweches (plurals)
what're those?
they are spiders
what's that?
it's a snail
what are those?
they're rabbits
what are those
they're snails