Write the plural form of: bacterium

(a)  

Write the plural form of: datum

(a)  

Write the plural form of: octopus

(a)  

Write the plural form of: cactus

(a)  

Write the plural form of: alumnus

(a)  

Write the plural form of: man-teacher

(a)  

Write the plural form of: passer-by

(a)  

Write the plural form of: police-man

(a)  

Write the plural form of: louse

(a)  

Write the plural form of: mouse

(a)  

Write the plural form of: axis

(a)  

Write the plural form of: leaf

(a)  

Write the plural form of: ox

(a)  

Write the plural form of: foot

(a)  

Write the plural form of: foot

(a)  

Write the plural form of: tooth

(a)  

Write the plural form of: goose

(a)  

Write the plural form of: die

(a)  

Write the plural form of: child

(a)  

Write the plural form of: sheep

(a)  

Write the plural form of: moose

(a)  

Write the plural form of: shrimp

(a)  

Write the plural form of: aircraft

(a)  

Write the plural form of: hovercraft

(a)  

Write the plural form of: spacecraft

(a)  

Write the plural form of: radius

(a)  

Write the plural form of: fungus

(a)  

Write the plural form of: hippopotamus

(a)  

Write the plural form of: nucleus

(a)  

Write the plural form of: analysis

(a)  

Write the plural form of: crisis

(a)  

Write the plural form of: thesis

(a)  

Write the plural form of: criterion

(a)  

Write the plural form of: memorandum

(a)  

Write the plural form of: stratum

(a)  

Write the plural form of: curriculum

(a)  

Write the plural form of: index

(a)  

Write the plural form of: appendix

(a)  

Write the plural form of: vortex

(a)  

Write the plural form of: opus

(a)  

Write the plural form of: quiz

(a)  

Write the plural form of: stimulus

(a)  

Write the plural form of: minutiae

(a)  

Write the plural form of: matrix

(a)  

Write the plural form of: graffito

(a)  

Write the plural form of: formula

(a)  

Write the plural form of: genus

(a)  

Write the plural form of: series

(a)  

Write the plural form of: tableau

(a)