[ Grammar ]
None of the countries is free _____ Corona.
A. Of
B. With
C. From
D. At

Random Topics:
How much or How many?Linking Words and ConjunctionGrammar - NounsModal ProbabilityNoun and Modal VerbsCountable & Noncountable NounsDo / Have / Can - Basic QuestionsArticles and PrepositionsCommas and Subordinating ConjunctionsSuperlative AdjectivesOther quiz:
Pronoun › View“What is the title of that song?”
“I’m afraid I can’t remember ___.”
a. him
b. it
c. them
Conjunction › View
I want … the pink sofa or the purple one.
A. neither
B. either
C. both
D. not only
Grammar › ViewDo you know where is ______ apple I have put on the table?
A. a
B. an
C. the
D. x (no article)
Conditional Sentence › View
If you study hard, you ______ your exams.
A. could pass
B. would pass
C. will pass
D. would have pass