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.
actors actor
watches watch
glasses glass
hats hat
babies baby
foxes fox
libraries library
enemies enemy
donkeys donkey
calves calf
cliffs cliff
armies army
toys toy
films film
salmon salmon
horses horse
schools school
lorries lorry
stories story
cars car
proofs proof
valleys valley
lice louse
keys key
trains train
actresses actress
watches watch
seas sea
wasps wasp
wolves wolf