[ Vocabulary ]
What is a glow in the night sky produced in the upper atmosphere by particles from the solar wind interacting with Earth’s magnetic field called?
A. Corona
B. Aurora
C. Photosphere
D. Sunspot
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Articles › ViewHurry up! You’re going to be late for ___ school!
A. a/an
B. the
C. –
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Right now, my teacher _______________ our homework
A. check
B. is checking
C. checks
D. are checking
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