Topics: Definite vs Zero Article Abstract Nouns
___ alternative energies that have been most recently developed are superior to previous ones.
A. the
B. (-)
Select your answer:

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Grammar › ViewI …… on a chair.
A. sits
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Identify the mood in the following sentence: What caused the dinosaurs to go extinct?
A. indicative
B. interrogative
C. subjunctive
D. conditional
