[ 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 and Vocabulary › View________ left when you leave the train station.
A. Excuse me
B. Go to
C. Turn
Tenses › View
Which tense is used to describe something that has already happened?
A. Past
B. Present
C. Future
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
