[ 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:
Gerunds + To Infinitive › ViewDo you mind …….. the book?
A. to lend
B. if I lend
C. lending me
D. lend
Grammar › View
The gate ________ in the storm has now been fixed.
A. damage
B. damages
C. damaging
D. damaged
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
