Pessimists point out that both global warming and pollution have ...

[ Word Form & Verb Tense ]

Pessimists point out that both global warming and pollution have increased _____ over the past twenty years

A. rapid

B. rapidly

C. rapidity

D. rapier

Select your answer:

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Gerunds & Infinitives + Vocabulary To Infinitive or Gerund Preposition Relative Pronouns Grammar, Conditional Sentences, Vocabulary Gerund/ To Verb/ Verb Past Simple and Past Continuous Tenses Vocabulary & Grammar Simple Present Continuous Tense

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