[ Grammar ]
Dogs _____ as pets for centuries.
A. Were kept
B. Are kept
C. Have kept
D. Have been kept

Random Topics:
Identify The TensesGerund after Prepositions and Certain VerbsPassive Voice in Past and Present TenseSpeech TensesTravel VocabularySimple Past TenseConjunctions & InterjectionsPast, Present, FutureComparisionsGrammar - Present Perfect with already, just, yetOther quiz:
To Infinitive or Bare Infinitive › ViewMy parents always let me ………..the late film on Saturdays.
A. to watch
B. watching
C. watch
D. to watching
Future Tenses › View
One day, I _________________ Australia
A. visit
B. am going to visit
C. will visit
D. will be visiting
Indefinite and Intensive Noun › ViewThe mouse _____ opened the door to the cage.
A. herself
B. oneself
C. themselves
D. itself
Conjunctions › View
Identify the conjunction: Both the sun and the moon shine in the sky.
A. not only…but also
B. both…and
C. either…or
D. neither…nor
