[ Mixed General Quiz ]
_____ the experiment three times now with different results each time!
A. We’ve done
B. We did
C. We’ve been doing

Random Topics:
Comparative AdjectiveSimple Past vs Past Continuous TenseCorrelative ConjunctionObject PronounsAdverb Of PlaceGrammar and StructureAdverb or AdjectiveTransitive or Intransitive VerbsAdverbial Clause of Cause and EffectPast Simple and Past ContinuousOther quiz:
Grammar › ViewJames always goes to work by car. Yesterday he __________ by car.
A. gone to work
B. went to work
C. goes to work
D. go to work
Grammar › View
I am looking forward to ___
A. went on vacations
B. go on vacations
C. going on vacations