singular - plural 3

singular - plural 3 - an exercise made by Hogaeng8 on Spellic.com.
1. Fold the right part of the paper back so that you can't se the answers.
2. Write the correct answer in the space below each question.
3. When done, fold the paper back and compare your answers.
train trains
key keys
school schools
sea seas
calf calves
actress actresses
cliff cliffs
hat hats
glass glasses
salmon salmon
fox foxes
story stories
horse horses
watch watches
donkey donkeys
toy toys
library libraries
proof proofs
watch watches
car cars
enemy enemies
louse lice
baby babies
wasp wasps
valley valleys
lorry lorries
actor actors
army armies
film films
wolf wolves