[ Grammar ]
Ocean currents……play an important part in regulating global climate.
A. are know to
B. thought to
C. are believed that they

Random Topics:
Neither/Either/All/NoneSimilesModals of ProbabilityGrammar and StructureModal Auxiliary VerbsPronouns, Sentence Structure, and Figurative LanguageSimple Present ProgressiveAdjectives-Comparison, SuperlativePronoun & Present SimpleVocabulary and IdiomsOther quiz:
Phrasal Verbs › ViewMy brother _____ _____ our dad, they have the same nose!
A. takes after
B. looks after
Grammar › View
I have to do ________ test tomorrow.
A. a
B. an
C. the
D. none
Grammar › ViewAfter she had returned home, she ………………. herself a good dinner.
A. would be cooking
B. has cooked
C. cooked
D. was cooking
Grammar › View
Mike watched basketball last night, but Jenn watched hockey.
What type of sentence is this?
A. simple
B. compound
C. complex
