[ Subject Verb Agreement ]
Both of the options ____ viable. Choose any one you like
A. is
B. are
C. was
D. were
Select your answer:
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Kinds of Nouns › Viewstrength
A. Common Noun
B. Proper Noun
C. Collective Noun
D. Abstract Noun
Grammar › View
Operant conditioning involves rewarding or punishing certain behave to reinforce or extinguish its occurrence.
A. behave
B. to reinforce
C. or extinguish
D. its occurence
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