[ Grammar ]
Global temperatures ___ over the last century.
A. have risen
B. has risen
C. have rose
D. rose
Select your answer:
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Phrase or ClauseFuture Perfect TenseSimple and Progressive Verb TensesCorrelative ConjunctionAdjective SuffixesModals for Ability, Possibility and PermissionInfinitive FormsAdjectives & PrepositionsBasic Tenses
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Vocabulary › Viewfrigid
A. extremely cold
B. to turn about on an axis or a center
C. the surface of the land and its features
D. an organization in the United States that directs space travel and research
Subject-Verb Agreement › View
One of my greatest worries in college (was, were) that I would study hard and still flunk important tests.
A. Was
B. Were
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