The 20th century explorer Thor Heyerdahl insisted, ——— all expert opinion, that Polynesia had been settled by people from South America in ancient times.
A. as opposed
B. in contrast
C. contrary to
D. opposite
E. although

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QuantifiersGrammar on ConditionalsModals VerbsFuture Time and TensesFragment, Comma Splice and Run -on SentenceAdverb of ConcessionPerfect ModalsCountable QuantifiersModal Verbs of Deduction and SpeculationFuture Perfect vs Future ContinuousOther quiz:
Grammar › ViewWhich sentence uses the conjunction “or” correctly?
A. We can go to the beach or we can go to the mountains
B. We can go to the beach or we can go to the mountains.
C. We can go to the beach, or we can go to the mountains
D. We can go to the beach, or we can go to the mountains.
Tenses › View
How long … for me?
A. have you waited
B. have you been waiting
Vocabulary › ViewWe must tackle the issue of global …….. and reduce carbon dioxide emissions.
A. pollution
B. rubbish
C. warming
D. deforestation
Present Perfect Tense › View
They ….. Surabaya
A. Has visit
B. Has visited
C. Have visited
