[ Nouns & Pronouns ]
Recent studies have found that there are a number of …………… why customers prefer placing orders online.
A. reasons
B. reasoned
C. reasoning
D. reason

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Vocabulary & Grammar › View. What does “exploration” involve?
A. Finding new places or ideas
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Paul: What about you?
Vanessa: Hmm, I’m in my room but I ____________ (not study).
A. are studying
B. not studying
C. ‘m not studying