Topics: Apostrophes and Quotation Marks
Fill in the blank: There were many ______ at the conference.
A. PhD’s
B. PhDs
C. PhD
D. PhD’ss
Select your answer:

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a, an, the, zero articleIndefinite and Definite ArticlesDo not- Does notGrammar Error Correction (Simple Present Tense)Future Simple TensesTransitionsModals and Past ModalsReported speech (statements)Past Tense and NeutralUsed toOther quiz:
Simple Present Tense › ViewIs Donita and Anita students?
A. True
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Bizet immortalized the city of Sevilla in ___opera “Carmen”.
a. an
b. its
c. his
d. hits
e. one
