[ Vocabulary ]
What does the word vaccine mean?
A. medicine to prevent a disease
B. a medicine substitute that has no value
C. a medicine or remedy for a disease
D. tacky or tastelessly showy

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Modal Verbs & Time PrepositionsGerundsWord FormationWh QuestionsSentence TransformationActive Voice-Present tenseQuantifiers with Nounsa, an, the, zero articleOffer and SuggestionContractions and ConjunctionsOther quiz:
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To clear the entrance way you can sweep with a ___ or use a vacuum cleaner.
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