What is a “source” in the context of information?
A. A challenge that requires extra effort to achieve
B. The mood or feelings that exist in a place
C. The point of origin where something comes from or begins
D. A series of events that are repeated regularly

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Countable & Noncountable NounsQuestion WordsHope, Thank, Modal VerbsWish - beginnerGerund & ParticipleModals VerbSuffixes (ing-ed) SentencesIN, ON & ATConditional SentencesModals - Have to or ShouldOther quiz:
Punctuation › ViewChoose the correct sentence that uses a comma with a non-defining relative clause.
A. My grandfather, a professor, has written a book.
B. My grandfather a professor has written a book.
C. My grandfather has written a book, a professor.
Grammar › View
Alice would not have been late if she ______ earlier the day before.
A. slept
B. had slept
C. was sleeping
D. had been sleeping
Grammar › ViewDon’t use my pen!
A. my sister told me not to use her pen.
B. my sister asked me not to use her pen.
C. my sister told me to not use her pen.
Vocabulary › View
She was unaware that she was being watched from the window.
A. observed
B. scolded
C. attracted
