[ Grammar ]
Mobile phones were invented _______ the 20th century
A. at
B. in
C. on
Select your answer:
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Verb Patterns / IngPast ParticiplePast and Perfect TensesVocabulary and UsagePreposition and Word FormTenses and ConclusionsExpressing Obligation and ModalsComparisonModals of DeductionVerbsOther quiz:
Conjunction › ViewHe’s very rich __________ he doesn’t spend a lot of money.
A. And
B. But
C. Or
D. So
Grammar › View
Economic reforms have ____ a lot of benefits for the local people
A. given away
B. resulted from
C. carried out
D. resulted in