[ Interjections, Tag Questions and Nouns of Direct Address ]
In what way can tag questions enhance scientific presentations?
A. They engage the audience
B. They provide data
C. They list references
D. They summarize findings
Select your answer:

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Grammar › ViewYou’ve … it in pencil.
A. wrote
B. writen
C. written
D. writed
Past Tenses › View
First I … the phone, and then I read your letter.
A. answered
B. had answered
C. was answering
D. didn’t answer