[ Grammar ]
Even the most primitive human communities have a system of ________ and punishments, distributed according to their ethical laws.
A. victories
B. rewards
C. prizes
D. prices

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Grammar › ViewChris ___ a lot many years ago, but he ___ now.
A. exercises; doesn’t
B. exercised; doesn’t
C. exercised; does
D. exercises; didn’t
Descriptions › View
A: Does he like sports?
B: ____________________. He doesn’t play tennis or soccer, and he doesn’t watch sport on TV.
_
A. I’m not sure.
B. I don’t think so.
C. I think so.