[ Vocabulary ]
a tiny living thing that causes diseases
A. infect
B. immune system
C. vaccine
D. virus

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Verb Tenses and Past ParticiplesConjunctions and PrepositionsVerb Forms and PrepositionsGrammar and EssayTransition WordsLinkers and ConjunctionsPrepotitionsAction VerbBasic TensesGrammar Past and Future TenseOther quiz:
Grammar › ViewUnless you behaved more politely, they ………………………… help you.
A. wouldn’t help
B. can’t help
C. wouldn’t have helped
Verb Tenses and Past Participles › View
In the sentence ‘He had eaten dinner before the movie started’, what is the verb tense used?
A. Past Perfect
B. Past Continuous
C. Future Perfect
D. Present Continuous