[ Present Perfect & Past Simple Tense ]
Thousands of years ago people _____________ in caves.
A. lived
B. has lived
C. have lived

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Countable & Uncountable NounsSingular and Plural NounsVerb FormGerunds and InfinitivesWill vs Verb InfinitivesFOR & SINCEmust/shouldPresent Simple PassiveArticles and DemonstrativesPresent Tenses and ConnectorsOther quiz:
Perfect Tenses › ViewI —- (work) for big companies like this before. I know how they operate.
A. have worked
B. had worked
C. will have worked
Preposition of Time › View
I want to go snowboarding _____ winter.
A. on
B. in
C. at