[ Modal Verbs ]
In the past, robots had a _______ role, but they will play a very important role in the future.
A. useful
B. minor
C. complicated
D. dangerous

Random Topics:
Zero Conditional SentencePassive Voice with Modal VerbsVerb Forms and PrepositionsMixed ConditionalComparative & Superlative AdverbsVerb PhraseFOR & SINCEAdverb ClausesPassive with ModalsSimple Verb TensesOther quiz:
Modals of Speculation and Deduction › ViewIdentify the modal of speculation in the following sentence: ‘She might be at home.’
A. could
B. might
C. can
D. will
Perfect Tense › View
Tom and Alex __________________(not/eat) the cookies.
A. hasn’t eaten
B. hasn’t eated
C. haven’t eaten
D. haven’t eated
Sentences Function and Structure › ViewSurprise!
A. Exclamatory
B. Declarative
C. Negative imperative
D. Interrogative
Simple Past Tense › View
The Caribbean monk seal ____ the only species of seal that ____ made extinct by humans. It ____ declared extinct in 2008
A. was – was
B. was – is
C. is – was
D. is – is
