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

Random Topics:
Verb Tenses and Past ParticiplesConjunctions and PrepositionsVerb Forms and PrepositionsGrammar and EssayTransition WordsLinkers and ConjunctionsPrepotitionsAction VerbBasic TensesGrammar Past and Future TenseOther quiz:
Grammar › ViewNot __ does Eric take care of central reservations, but he also runs the marketing department.
A. yet
B. only
C. that
D. unless
Past Participles › View
What’s the past participle of the verb: break
A. breaked
B. broke
C. broken
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