[ Subject-Verb Agreement ]
_______ and _______ of mathematical processes are expressed as singular.
A. Sums / products
B. Questions / answers
C. Equations / answers
D. Equations / functions
Select your answer:
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A. A type of poem
B. A pattern of stressed and unstressed syllables
C. A rhyme scheme
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I have a credit card. I ___ pay with cash.
A. must
B. mustn’t
C. don’t have to