Before agriculture , people made their living by hunting wild animals and their lifewas of nature. [ ]A. came into being; at the mercy B. was born; in the mercy C. began to exist; in danger D. appeare 题目和参考答案——青夏教育精英家教网—

题目内容

Before agriculture _____, people made their living by hunting wild animals and their life
was _____ of nature.

[ ]

A. came into being; at the mercy
B. was born; in the mercy
C. began to exist; in danger
D. appeared; with the mercy

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