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________ smog is ________ big problem in ________ big cities.
A. The / Ø / the
B. Ø / a / Ø
C. The / Ø / Ø
D. A / the / the
Select your answer:
Random Topics:
Present Perfect Negative and InterrogativeConditional Sentence Type 3Grammar - Sentence StructurePast, Present, FutureGrammar - to bePresent and Past TensesConditional Sentence 0, 1Vocabulary and PrepositionsSports VocabularyPast Continuous and Past Simple TenseOther quiz:
Grammar and Vocabulary › ViewThis is my _______________ wife, Linda.
A. brother
B. brothers
C. brothers’
D. brother’s
Grammar and Vocabulary › View
Emma’s new sweater ____ the first time she washed it.
A. narrowed
B. lessened
C. shrunk
D. tightened