On his brother's death he bacame an _________ apparent t the title.
A. heiress
B. air
C. hair
D. heir
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The _________ are a good source of help to the farmers.
A. ox
B. oxes
C. oxen
D. oxens
To the birthday party all her ______ were invited.
A. relation
B. relations
C. a relation
D. the relations
The villa built of _____ was once used as a warehouse.
A. stone
B. stones
C. a stone
D. some stones
The vegetable soup tastes of ________.
A. onions
B. an onion
C. the onion
D. onion