[ Prepositions ]
The research findings showed a correlation ___ the amount ___ rainfall and agricultural productivity.
A. between; of
B. to; among
C. between; to
D. between; on
Select your answer:

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Opinion / AgreementRegular and Irregular AdverbUsed to & would & Past SimpleAdverbs and Time ExpressionsPresent PerfectTo Infinitive or Bare InfinitiveWord Form & Verb TensePresent Simple TenseMust / must notModifiersOther quiz:
Grammar › ViewI _____ TV yesterday.
A. didn’t watch
B. didn’t watched
C. wasn’t watched
D. don’t watch
E. didn’t watching
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Mrs. Squirrel is _________ her beautiful flowers.
A. Planting
B. Plucking
C. Cutting
D. Watering
