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

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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:
Future Tenses › ViewWe _______ (fly) to Seattle next summer holidays.
A. are going to fly
B. will be flying
C. are flying
D. will fly
Question Tags › View
He hasn’t done it yet, ___?
a. has he
b. hasn’t he
c. had he
Do 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