[ a, an, the, Zero Article ]
Einstein is known for his theory of ___ relativity.
a. a
b. an
c. the
d. X [Nothing]
Select your answer:
Random Topics:
Simple TenseDemonstrative PronounsObject PronounsOffer and SuggestionModals - Conditionals - Future TensesPersonal & Possessive PronounsEnglish ArticlePronouns and QuantifiersTenses - Present and PastGrammar: Reported QuestionsOther quiz:
Tenses › ViewThey _____ just _____ their job, and they _____ a coffee break at the moment.
A. have … been finishing / have
B. are … finishing / have had
C. are … finishing / have
D. have … finished /are having
Grammar › View
The waves are __________ than yesterday.
A. higher
B. highest
C. high