Write down the plurals of the following nouns and check their pronunciation in a dictionary where necessary

1. Write down the plurals of the following nouns and check their pronunciation in a dictionary where necessary:

Ray, street, bacillus, bell, corpus, lily of the valley, diagnosis, warf, antenna, tomato, field-mouse, radius, ad-ress, nerve, criterion, opinion, series, nebula, bacterium, doing, growth, Roman, Frenchman, appendix, bridge, compass, story, storey, formula, looker-on, bureau, bro-

ther-in-law, ox, fish, symposium, thesis, passer-by, da­tum, sheep, fountain pen, breakdown, woman-hater, trousseau, assistant director.