[ a, an, the, Zero Article ]
Roentgen was ___ German physicist who discovered x-rays, revolutionizing medical diagnosis.
a. a
b. an
c. the
d. X [Nothing]
Select your answer:
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Relative Clauses and Past PerfectNarrative, Past TensesPerfect Progressive TensesThe Past SimpleClausesPersonal pronouns + possessive adjectives + Introgative pronounsFuture SimpleGerunds and InfitinitivesPreposition on TimeIndefinite PronounsOther quiz:
Grammar › Viewthe English lesson ——————– at 8:00 am.
A. starts
B. will start
C. is starting
D. is going to start
Grammar › View
Choose the word that goes best with the underlined section of the sentence:
Divers hold their air in their lungs.
A. Companion
B. breath
C. frisky