Singular and Plural

Plural of hero is (a)   .

Plural of dwarf is (a)   .

Plural of army is (a)   .

Plural of reef is ______ .

• reeves

• reefs

Plural of passer-by is _________ .

• passer-bys

• passers-bies

• passers-by

Plural of crockery is ______ .

• crockery

• crockeries

• crockerys

Plural of motto is (a)   .

Plural of valley is (a)   .

Choose the plural of library.

• librarys

• libraries

Choose the plural of mouse .

• mouses

• mice