[ Modal Verbs ]
After the spraying and facing problems, state health officials said the amount of insecticide applied in Monterey _____ severe health risks.
A. shouldn’t have posed
B. needn’t have posed
C. didn’t need to pose
D. didn’t use to pose
E. hadn’t posed

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Vocabulary & Grammar › ViewThe word TRIBUTE most nearly means:
A. Enjoyment in the taste of something
B. Forbidden or not permitted; illegal or unlawful
C. An act, statement or gift intending to show thanks or respect
D. To cut apart or to pieces
Regular and Irregular verbs › View
In which tenses do we normally use past participle form?
A. into present continous
B. into simple present
C. Into present perfect and past perfect