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

Random Topics:
Past, Present, FuturePrepositionsPreposition on TimeTenses - Auxiliaries1st & 2nd ConditionalsPast Continuous TenseLanguage Features: Reflective ArticleCountable Vs Uncountable NounsNoun Phrase-ed/-ing AdjectivesOther quiz:
Grammar › ViewThe restaurant makes better food than [BLANK].
A. I
B. me
C. my
D. her
Grammar › View
It’s amazing what they can make with a ______________________. I hear they can even make artificial body parts!
A. electronic translator
B. smartwatch
C. 3D printer
D. wireless headset
Grammar › View_______ you send this wedding card to Peter, please?
A. Will
B. Are
C. Did
D. Had
Grammar › View
What is a group of cows called?
A. team
B. pod
C. herd
D. nest
