[ Tenses ]
___ The factory been in operation since 1980?
A. have
B. was
C. does
D. has

Random Topics:
must/shouldPast and Present ContinuousSimple vs Present Continuous TensesConjunctions and PrepositionRelative Pronouns and AdverbsVerb PhraseModal Verbs for PossibilitySocial Media VocabularyPrepositions of TimeNoun, Quantifiers and SuffixesOther quiz:
Grammar › ViewWhen I woke up in the hospital I realised I ____________________ the car.
A. have crashed
B. has crashed
C. had crashed
Tenses › View
I called you last night after dinner, but you _______ there. Where were you?
A. are not
B. were not
C. had not been
D. have not been
