[ Commas and Subordinating Conjunctions ]
Which sentence correctly uses a comma?
A. I met an interesting person, while attending the conference last week.
B. I met an interesting person while attending the conference last week.
Select your answer:

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Adjectives, Adverbs, and Prepositions › ViewWhich word can be used as a noun or an adjective?
A. Pink
B. House
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————- at his lessons, still he couldn’t catch up with his classmates.
A. Hardly as he worked
B. Hard as he worked
C. Hard as he does
D. Hard as he was
