[ Subject-Verb Agreement ]

After the laboratory report came back, 20 mEq of potassium chloride ____ added.

A. Is
B. Are
C. Were
D. Was

Select your answer:

Random Topics:
Do Vs. DoesVerbHomonyms

Next quiz: Simple Past Tense

Who____ that lovely poem

A. Has written
B. Wrote
C. Have written

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