Question

Using the provided chart, make plurals from the following words. If you
don't know the words look them up in a dictionary
1) Index 2) phenomenon 3) appendix 4) formula 5) matrix 6) agen-
dum 7) crisis 8) focus 9) radius 10) automaton 11) criterion 12) bac-
terium 13) genius 14) larva 15) fungus 16) alga 17) hippopotamus
18) vertebra 19) stimulus 20) thesis 21) alumnus.

Answer 1

1.indexes
2.phenomenons
3.appendixes
4.formulas
5.matrixes
6.angendas
7.crises
8.focuses
9.radiuses
10.automatons
11.criterions
12.bacterias
13.geniuses
14.larvas
15.funguses
16.algae
17.hippopotamuses
18.vertebrates
19.stimuluses
20.theses
21.aluminises