[ Modal Verbs ]
We __________ pollute rivers. It kills fish.
A. don’t have to
B. mustn’t
C. should
D. can
Select your answer:
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Other quiz:
Vocabulary › ViewChoose the best antonym for the underlined word:
convict the ringleader
A. sentence
B. arrest
C. release
D. jail
Grammar › View
It seems to be getting worse. You had better ____ a specialist.
A. consult
B. consult to
C. consult for
D. consult by
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