The Heinle Picture Dictionary 100
A Handbook of Spoken Grammar 101
Using Collocations for Natural English 101
Using Phrasal Verbs for Natural English 101
Practical Grammar 102
First English Grammar 102
Real English Grammar 102
Grammar with Laughter 102
Instant Grammar Lessons 102
Grammar Clips 102
Grammar Explorer 103
99
FACT
The breath-taking, shimmering nights of the Aurora Borealis was first named
by Galileo Galilei in 1619 as a combination of Aurora, the Roman goddess of
the dawn, and Boreas, the god of the north wind. The lights are revered world-
wide and it has been theorised that some of the 'impressionistic' cave drawings
actually depict auroras in the sky.
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