[ Subject-Verb Agreement ]
After the laboratory report came back, 20 mEq of potassium chloride ____ added.
A. Is
B. Are
C. Were
D. Was

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Grammar › Viewthe lawyer’s arguments __?__ the prosecution’s lack of evidence.
A. centered around
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_____ the neighbors complain about the noise?
A. Do
B. Does
C. Don’t
D. Doesn’t
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What is a group of cows called?
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