More than 20 species of sharks and rays dwell in Gabon’s new 18,000-square-mile marine sanctuary, which offer a refuge to many rare and threatened species.
A. NO CHANGE
B. have offered
C. were offering
D. offers

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Past Simple (to be)Grammar - Be going toArticles and PrepositionsPast Simple (Questions)Who vs WhomGrammar and SyntaxModals in the Past - Speculation and DeductionTOEICPerfect Tenses of VerbsParallelism and Subject Verb AgreementOther quiz:
Pronoun › ViewWhile they were watching the Battle of the Bands, Christian and Aljhoun made bets on which musician of Nuclear Toasters would trash _____ guitar first.
A. His/her
B. Their
C. Your
Transitional Words › View
What is Contrasting?
A. to look at noticeable similarities between things
B. to look at the cause of something and find out the effect
C. to look at noticeable differences between things
D. to look at the Atlantic Ocean
My grandmother ___ there.
A. lives
B. live
C. living
D. is live
Tenses › View
Ricky … near the border of Western Australia and Northern Territory. He stopped to help some people whose car had been broken down and offered them a lift to a nearby town.
A. drove
B. had driven
C. was driving
