[ Tenses ]
The fossil fuels ____ air pollution significantly last century.
A. contributed
B. contribute
C. is contributing
D. will contribute
Select your answer:
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Types of Sentence StructuresNoun PhrasesConditional Sentence Type 2Participal PhrasesRelative & ModalsSpellingPast Tense & Present Perfect TenseTimePoetry VocabularyNoun, Quantifiers and SuffixesOther quiz:
Relative Clause › ViewThe extent ____the stock market is affected by the day-to-day pronouncements of the President of the United States is astonishing.
A. which
B. to which
C. where
D. when
Would/would like - affirmative/negative › View
– How can I help you?
– I _ buy a hat.
A. would like
B. would like to