[ 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:
There vs. It › ViewThe following is correct. A: Hey! How was your vacation? Did you have fun? B: No! It was terrible. Joe and I had a big fight, then in rained the whole time!
A. True
B. False
Grammar › View
We _____ a great vacation last summer.
A. had
B. were having
C. have had
D. have
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