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

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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