Topics: Vocabulary
__________ is mainly caused by waste gases that come out of vehicles, machines or factories.
A. Water pollution
B. Air pollution
C. Noise pollution
D. Soil pollution
Select your answer:
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Understanding Product Packaging and TensesGerunds in SentencesModal Verbs and PermissionIf ConditionalsPresent Continuous, Present Perfect and Used toGerund, Participle, Infinitive, or AppositiveReporting VerbsUnless If First ConditionalAuxiliary ModalInversions and SubjunctiveOther quiz:
Grammar › ViewIt was ………………………… crowded taxi …………. we couldn´t get on it.
A. such a / that
B. so / that
C. such / that
D. very / that
Vocabulary & Grammar › View
It is ____________ that Harold is in a good mood now because he has a big smile on his face.
A. proper
B. plastic
C. obvious
D. eager