[ Verb Tenses ]
Dolphins ………….. in BC waters for millions of years, and are still common today.
A. lived
B. used to live
C. are living
D. have lived

Random Topics:
Present Simple & ContinuesPast Simple, Past Continuous, Past PerfectTypes of Sentence StructuresGerunds/InfinitivesGrammar and PrepositionsModal ProbabilityGrammar - TOEICModalsContrastive ConjunctionsPerfect and Past TenseOther quiz:
Grammar › ViewDo you know that phyton kills its _______ by squeezing it to death?
A. enemy
B. prey
C. predator
D. foe
Appositive Phrase › View
I’ll be transformed into a new man.
A. Prepositional
B. Appositive
C. Neither