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_____ river is very polluted. Do you think we can clean up _____ river?
A. The / a
B. A / the
C. The / the
D. A / a

Random Topics:
DEGREE COMPARISONSimple Present Negative and QuestionWill and Going toVocabulary : Coming & GoingModals and Modal PerfectsGrammar and PrepositionKinds of NounsVerbal CommunicationTOEIC GrammarTenses and StructureOther quiz:
Grammar › ViewAfter spending a week camping in the cold, damp forest, Marina feels good to be back home. As the saying goes _________________
A. no man is an island
B. better late than never
C. there is no place like home
D. the longest way round is the nearest way home
Ed and Ing Endings › View
When saw him she wasn´t ……. .
A. surprising
B. surpised
What does the highlighted adverb in the following sentence answer?
Once there lived a very poor couple.
A. when
B. how
C. where
D. to what extent
Grammar › View
We must insert the correct key into the ________.
A. pigtail
B. Keyhole
C. Seat belt
D. scrapbook