[ Verb Tenses ]
When were your parents listening to Rolling Stones?
A. When they were young
B. When they are young
C. When they will be young
D. When they have been young

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Future Perfect TensePassive Voice - Present Simple and Past SimpleUsed to - Would - TensesPossessive Adjectives & Possessive PronounsFor vs SinceConditional TypesModal VerbGrammar and Sentence CorrectionHas Got & Have Got-ing form and the to-infinitiveOther quiz:
Grammar › ViewYou […] smoke. It’s dangerous for the health.
A. wouldn’t
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Articles › View
He will be back in —— hour.
A. a
B. an
C. the