[ Vocabulary, Adjective & Preposition ]
The thick __________ in the city made it hard to breathe and see.
A. smog
B. squall
C. whirlwind
D. humidity

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Conjunctions and PrepositionsTenses, Tag Questions, Phrasal VerbsBare Infinitive and To InfinitivePresent Perfect and Past SimpleModal Verb Gerund or To InfinitiveIELTS VocabularyThings in EnglishTo infinitive - GerundPassive VoicesModal Auxiliaries and Similar ExpressionsOther quiz:
Grammar › ViewWhich sentence uses commas correctly?
A. Our apartment walls, are very thin so we can hear our neighbors talking.
B. Our, apartment walls, are very thin so we can hear our neighbors talking.
C. Our apartment walls are very thin, so we can hear our neighbors talking.
D. Our apartment walls are very, thin so we can hear our neighbors talking.
Grammar › View
How ….. sugar did you buy at the supermarket?
A. many
B. much