[ 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:
Phrasal Verb › ViewWhat does ‘call off’ mean?
A. To proceed with a plan
B. To cancel or abandon something that was planned or scheduled.
C. To postpone an event
D. To confirm a meeting
Grammar › View
If you … harder, you will pass the exam
A. study
B. will study
C. would study
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
