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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 six days of rain, I’m glad that the sun …………………………………. (shine) today.
A. are shining
B. is shining
C. shine
D. shines
Adjectives › View
Which is the correct order?
A. Your great idea is.
B. Your idea is great.
C. Great your idea is.
D. Your idea great is.
Adverbs › ViewWhat 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