Anna
This leaves ___ for theories - and the schientists still argue ____ them How was that possible ___ an animal without feathers become a bird?

Birds often feed ___ the rubbish left by people.

What should i put here?

Nov 29, 2017 7:47 PM
Answers · 2
This leaves US/ME/THEM/WHOMEVER for theories. It means « we just have theories ramaining. » The scientists still argue ABOUT them. (About the theories.) How was that possible THAT an animal without feathers becomes a bird? “That” introduces the noun clause “an animal without feathers becomes a bird?”. Birds often feed ON the rubbish left by people. It means that birds eat the rubbish that people left. I hope that helps.
November 29, 2017
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