Question

De o plural:
1- nucleus
2- negro
3- dish
4- butterfly
5- figure
6- thief
7- bacterium
8- mouse
9- church
10- crises

Answer 1

1) Nuclei 2) Negro? ( Com a regra seria Negroes[?]) 3)Dishes 4) Butterflies 5) Figures 6) Thieves 7) Bacteria 8) Mice 9) Churchs 10) Crises ( Você ja colocou no plural. O singular seria "Crisis")