Поставьте сущ. в единственное число.
Aircraft,brothers-in-arms,brothers-in-law,cuckoos,deer,feet,flies,girl-friends,hairdos,keys,languages,leaves,lice,mice,Negroes ,parties,pianos,foofs,sheep,skies,taxes,taxis,theses,tomatoes,zeros.
Aircraft,brothers-in-arms,brothers-in-law,cuckoos,deer,feet,flies,girl-friends,hairdos,keys,languages,leaves,lice,mice,Negroes ,parties,pianos,foofs,sheep,skies,taxes,taxis,theses,tomatoes,zeros.
Answers & Comments
brother-in arm (?)
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deer
foot
fly
girlfriend
-
key
language
leaf
louse
mouse
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part
piano
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sheep
sky
tax
taxi
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tomato
zero