Speaking topics in audio
Speaking topics in text
The lecture and the passage describe two competing ideas about the origin of oil. Explain the major difference between them.
Testbig I didn't have the integrated passage in text format, but I've provided a link of passage so can you please check it from there.
http://i.imgur.com/611Tqc8.jpg
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26 in 30
It is on the point but not fluently like others.