[ Grammar ]
People —- the Earth was flat until Aristotle —- that it was not.
A. believed / was proving
B. had believed / proved
C. had believed / would prove
D. have believed / proved
Select your answer:

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Verb to have › ViewAn elephant ………… four legs.
A. have
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Grammar › View
The students __________ punctual daily.
A. is
B. are
C. was
D. were
