[ Word Form & Verb Tense ]
People can develop health problems and become ill if they breathe _____ air
A. pollution
B. to pollute
C. polluting
D. polluted
Select your answer:
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Verb Tense, Pronouns and AntecedentsVOCAB & GRAMMARPassive Voice in Past Simple TenseQuantifiersModals of ProbabilityPossessive Adjective and PronounAdjective and AdverbPersuasive TextModals and Past ModalsOther quiz:
Nouns Formation › ViewIMPROVE
A. improvence
B. improvement
C. improveness
D. improvion
Grammar › View
What is the indirect object in the sentence? The teacher gave Sarah an award for her excellent performance.
A. teacher
B. award
C. Sarah
D. performance