[ Cardiology Services ]
The structure that divides the right & left sides of the heart is known as the____________.
A. septum
B. mediastinum
C. valve
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Demonstrative PronounsPresent PerfectQuantifiers & Modal VerbsNarrative, Past TensesThere is or There areAdverb of MannerWorld Literature VocabularyPresent Simple & Present ContinuousDaily Routines & TensesPast and Future TensesOther quiz:
Vocabulary and Grammar › ViewWhat is the past progressive form of the verb ‘run’?
A. She was running when it started to rain.
B. She ran when it started to rain.
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It depends __ what you want to do.
A. on
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The firefighters finally arrived, they put out the fire.
A. comma splice
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a.dangerous
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