[ Grammar ]
Ancient people ___ a computer.
A. didn’t use
B. not used
C. not use

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Degrees of ComparisonFuture Tense and ConditionalsAdverbs of DegreeModals with Perfect InfinitiveVerb-ing and InfinitiveAdverb of MannerIndependent/Dependent Clauses & Relative ClausesModal Verbs - ObligationTenses & AffixesQuantifiers & Modal VerbsOther quiz:
Prepositions › ViewPicasso’s paintings are_____the walls of the Museum of Art.
A. under
B. at
C. on
D. over
E. in
Quantifiers › View
The majority of criminals _________ non-violent.
A. are
B. is
